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Sample records for erbium 152

  1. Homogeneous linewidth of the I_11/2--I_15/2 optical transition of erbium in LiNbO_3:Er^3+

    E-print Network

    Mandula, G; Sinkovicz, P; Kovács, L; 10.1088/1757-899X/15/1/012062

    2010-01-01

    We work out a simple, pulsed pump-probe measurement scheme to measure the homogeneous linewidth of an atomic transition in an inhomogeneously broadened spectral line in a solid state environment. We apply the theory to the I_11/2 -- I_15/2 optical transition of erbium in LiNbO_3:Er^3+ crystal. Beside obtaining the homogeneous linewidth, we have estimated the population relaxation time as well.

  2. Erbium laser in gynecology.

    PubMed

    Vizintin, Z; Lukac, M; Kazic, M; Tettamanti, M

    2015-10-01

    The aim of this paper is to present a novel laser technology utilizing the erbium YAG laser for various minimally invasive, non-surgical procedures in gynecology. Non-ablative, thermal-only SMOOTH-mode erbium pulses are used to produce vaginal collagen hyperthermia, followed by collagen remodeling and the synthesis of new collagen fibers, resulting in improved vaginal tissue tightness and elasticity. This erbium laser technology is used for treatments of vaginal laxity, stress urinary incontinence, pelvic organ prolapse and vaginal atrophy. In the period from 2010 to 2014, several clinical studies covering all four indications were conducted with the aim to prove the efficacy and safety of this novel technology. An overview is presented of the results of these studies where several objective as well as subjective assessment tools were used. The results have shown that SMOOTH-mode erbium laser seems to be an effective and safe method for treating vaginal laxity, stress urinary incontinence, pelvic organ prolapses and vaginal atrophy. PMID:26366793

  3. Erbium diffusion in silicon dioxide

    SciTech Connect

    Lu Yingwei; Julsgaard, B.; Petersen, M. Christian; Jensen, R. V. Skougaard; Pedersen, T. Garm; Pedersen, K.; Larsen, A. Nylandsted

    2010-10-04

    Erbium diffusion in silicon dioxide layers prepared by magnetron sputtering, chemical vapor deposition, and thermal growth has been investigated by secondary ion mass spectrometry, and diffusion coefficients have been extracted from simulations based on Fick's second law of diffusion. Erbium diffusion in magnetron sputtered silicon dioxide from buried erbium distributions has in particular been studied, and in this case a simple Arrhenius law can describe the diffusivity with an activation energy of 5.3{+-}0.1 eV. Within a factor of two, the erbium diffusion coefficients at a given temperature are identical for all investigated matrices.

  4. Erbium hydride decomposition kinetics.

    SciTech Connect

    Ferrizz, Robert Matthew

    2006-11-01

    Thermal desorption spectroscopy (TDS) is used to study the decomposition kinetics of erbium hydride thin films. The TDS results presented in this report are analyzed quantitatively using Redhead's method to yield kinetic parameters (E{sub A} {approx} 54.2 kcal/mol), which are then utilized to predict hydrogen outgassing in vacuum for a variety of thermal treatments. Interestingly, it was found that the activation energy for desorption can vary by more than 7 kcal/mol (0.30 eV) for seemingly similar samples. In addition, small amounts of less-stable hydrogen were observed for all erbium dihydride films. A detailed explanation of several approaches for analyzing thermal desorption spectra to obtain kinetic information is included as an appendix.

  5. Erbium lasers in dentistry.

    PubMed

    van As, Glenn

    2004-10-01

    Erbium hard tissue lasers have the capability to prepare enamel, dentin, caries, cementum, and bone in addition to cutting soft tissue. The ability of hard tissue lasers to reduce or eliminate vibrations, the audible whine of drills, microfractures, and some of the discomfort that many patients fear and commonly associate with high-speed handpieces is impressive. In addition, these lasers can be used with a reduced amount of local anesthetic for many procedures. Today, these instruments have evolved from their initial use for all classes of cavity preparations to their ability for removing soft tissue, their usefulness in the disinfection of bacteria within endodontic canals, and most recently, as an alternative to the high speed handpiece for the removal of bone in oral and maxillofacial surgery. In addition, recent research has centered on the value of the erbium family of laser wavelengths in periodontics, including the removal of calculus. PMID:15464563

  6. Real-time synchrotoron radiation X-ray diffraction and abnormal temperature dependence of photoluminescence from erbium silicates on SiO{sub 2}/Si substrates

    SciTech Connect

    Omi, H.; Tawara, T.; Tateishi, M.

    2012-03-15

    The erbium silicate formation processes during annealing in Ar gas were monitored by synchrotron radiation grazing incidence X-ray diffraction (GIXD) in real time and the optical properties of the silicates were investigated by photoluminescence measurements in spectral and time-resolved domains. The GIXD measurements show that erbium silicates and erbium oxide are formed by interface reactions between silicon oxide and erbium oxides deposited on silicon oxide by reactive sputtering in Ar gas and O{sub 2}/Ar mixture gas ambiences. The erbium silicates are formed above 1060 degree sign C in Ar gas ambience and above 1010 degree sign C in O{sub 2}/Ar gas ambience, and erbium silicides are dominantly formed above 1250 degree sign C. The I{sub 15/2}-I{sub 13/2} Er{sup 3+} photoluminescence from the erbium oxide and erbium silicate exhibits abnormal temperature dependence, which can be explained by the phonon-assisted resonant absorption of the 532-nm excitation photons into the {sup 2}H{sub 11/2} levels of Er{sup 3+} ions of the erbium compounds.

  7. Optical emission from erbium-doped silica nanowires

    SciTech Connect

    Elliman, R. G.; Wilkinson, A. R.; Kim, T.-H.; Sekhar, P. K.; Bhansali, S.

    2008-05-15

    Infrared optical emission from erbium-doped silica nanowires is shown to have property characteristic of the material nanostructure and to provide the basis for the fabrication of integrated photonic devices and biosensors. Silica nanowires of approximately 150 nm diameter were grown on a silicon wafer by metal-induced growth using a thin (20 nm) sputter-deposited palladium layer as a catalyst. The resulting wires were then ion implanted with 110 keV ErO{sup -} ions and annealed at 900 deg. C to optically activate the erbium. These wires exhibited photoluminescence emission at 1.54 {mu}m, characteristic of the {sup 4}I{sub 15/2}-{sup 4}I{sub 13/2} transition in erbium; however, comparison to similarly implanted fused silica layers revealed stronger thermal quenching and longer luminescence lifetimes in the nanowire samples. The former is attributed to an increase in defect-induced quenching partly due to the large surface-volume ratio of the nanowires, while the latter is attributed to a reduction in the optical density of states associated with the nanostructure morphology. Details of this behavior are discussed together with the implications for potential device applications.

  8. Low threshold erbiumLow threshold erbium--implantedimplanted toroidal microcavity laserstoroidal microcavity lasers

    E-print Network

    Low threshold erbiumLow threshold erbium--implantedimplanted toroidal microcavity laserstoroidal ­ Ultra-high-Q toroidal microcavities ­ Erbium-implanted microcavity lasers Analysis ­ Coupled harmonicFransisco Motivations : Erbium-doped microcavity lasers Neodymium-doped microsphere lasers ­ Pth = 200 nW ­ V

  9. Plasmon-enhanced erbium luminescence H. Mertensa

    E-print Network

    Polman, Albert

    Plasmon-enhanced erbium luminescence H. Mertensa and A. Polman Center for Nanophotonics, FOM that the photoluminescence intensity of optically active erbium ions positioned in close proximity of anisotropic Ag with the erbium emission. In addition, the photoluminescence intensity enhancement is found to be polarized

  10. CenterforNanophotonics Erbium ion implantation

    E-print Network

    Polman, Albert

    CenterforNanophotonics Erbium ion implantation from planar amplifiers to nanophotonics Albert - 1989 optical communication, erbium-doped fiber amplifiers 1012 Hz 1.3 µm 1.55 µm Miya et al., Electron. Lett. 15, 108 (1979) #12;From optical fiber to planar technology Si high index low index #12;Erbium

  11. 1744 OPTICS LETTERS / Vol. 21, No. 21 / November 1, 1996 Dual-stage erbium-doped, erbium/ytterbium-codoped

    E-print Network

    Park, Namkyoo

    1744 OPTICS LETTERS / Vol. 21, No. 21 / November 1, 1996 Dual-stage erbium-doped, erbium Received June 3, 1996 By concatenating an aluminum-codoped erbium-doped fiber with an efficient erbium energy transfer between erbium and ytterbium ions, we are able to pump the second stage with a high

  12. Optical properties of organic semiconductors based on erbium phthalocyanine complexes in the mid- and near-infrared spectral regions

    SciTech Connect

    Belogorokhov, I. A. Tikhonov, E. V.; Breusova, M. O.; Pushkarev, V. E.; Tomilova, L. G.; Khokhlov, D. R.

    2007-10-15

    The transmittance spectra of erbium phthalocyanine complexes in the mid- and near-infrared wavelength regions are studied. A detailed identification of the transmittance lines is presented for three types of phthalocyanine complexes. Data on the absorption of electromagnetic radiation at the wavelengths around 1.5 {mu}m due to the {sup 4}I{sub 13/2} {sup {yields}} {sup 4}I{sub 15/2} intracenter transitions between the levels of the erbium ions incorporated into the samples are obtained. It is found that some of the mid-infrared absorption lines shift when the number of organic ligands is increased by a factor of 2 or 3. It is shown that the absorption coefficient at the wavelengths around 1.5 {mu}m is equal to 27.5, 32.5, and 74 cm{sup -1} for erbium monophthalocyanine, bisphthalocyanine, and triphthalocyanine, respectively.

  13. Energy transfer in erbium doped optical waveguides based on silicon

    E-print Network

    Polman, Albert

    Energy transfer in erbium doped optical waveguides based on silicon #12;Energy transfer in erbium SJ Amsterdam, The Netherlands. #12;Energy transfer in erbium doped optical waveguides based on silicon Energie overdracht in erbium gedoteerde lichtgeleiders gebaseerd op silicium (met een samenvatting

  14. Absorption bleaching by stimulated emission in erbium-doped

    E-print Network

    Lipson, Michal

    Absorption bleaching by stimulated emission in erbium-doped silicon-rich silicon nitride waveguides 133641); published December 16, 2010 Stimulated emission from sensitized erbium ions in silicon in the photoinduced absorption of the probe at the wavelength of erbium emission is observed and is attributed

  15. UNCORRECTED 2 Luminescence of erbium-doped bismuthborate glasses

    E-print Network

    Osnabrück, Universität

    UNCORRECTED PROOF 2 Luminescence of erbium-doped bismuth­borate glasses 3 Isabella-Ioana Oprea Received 26 May 2005; accepted 12 July 2005 7 Abstract 8 Absorption and luminescence properties of erbium for the composition range 25­65 mol% Bi2O3. A Judd­Ofelt analysis of the typical erbium bands in the absorption

  16. Erbium in crystal silicon: Optical activation, excitation, and concentration limits

    E-print Network

    Polman, Albert

    Erbium in crystal silicon: Optical activation, excitation, and concentration limits A. Polman, G. N) The optical activation, excitation, and concentration limits of erbium in crystal Si are studied of Physics. I. INTRODUCTION Erbium doping of silicon has recently become an exten- sively studied subject

  17. Enhanced Light Emission from Erbium Doped Silicon Nitride in Plasmonic

    E-print Network

    Vuckovic, Jelena

    Enhanced Light Emission from Erbium Doped Silicon Nitride in Plasmonic Metal and nano-particle arrays in a metal- insulator-metal structures are fabricated on an erbium doped silicon, J. Warga, S. N. Basu, "Sensitized Erbium emission from silicon-rich nitride/silicon super- lattice

  18. Broadband sensitizers for erbium-doped planar optical amplifiers: review

    E-print Network

    Polman, Albert

    Broadband sensitizers for erbium-doped planar optical amplifiers: review Albert Polman FOM broadband sensitization concepts for optically active erbium ions are reviewed: 1) silicon nanocrystals.0060. 1. INTRODUCTION A. Erbium-Doped Planar Amplifiers Er-doped materials are of great interest

  19. APPLIED PHYSICS REVIEWS Erbium implanted thin film photonic materials

    E-print Network

    Polman, Albert

    APPLIED PHYSICS REVIEWS Erbium implanted thin film photonic materials A. Polmana) FOM 1996; accepted for publication 4 March 1997 Erbium doped materials are of great interest in thin film also be doped with erbium. In this case the Er may be excited through optically or electrically

  20. Passively Q-switched nanosecond erbium-doped fiber laser with MoS(2) saturable absorber.

    PubMed

    Ren, Jun; Wang, Shuxian; Cheng, Zhaochen; Yu, Haohai; Zhang, Huaijin; Chen, Yanxue; Mei, Liangmo; Wang, Pu

    2015-03-01

    Passively Q-switched nanosecond pulsed erbium-doped fiber laser based on MoS(2) saturable absorber (SA) is experimentally demonstrated. The high quality MoS(2) SA deposited on the broadband high-reflectivity mirror with a large modulation depth of 9% was prepared by pulsed laser deposition method. By inserting the MoS(2) SA into an erbium-doped fiber laser, stable Q-switched operation can be achieved with the shortest pulse width of 660 ns, the maximum pulse energy up to 152 nJ and pulse repetition rates varying from 116 to 131 kHz. The experimental results further verify that MoS(2) possesses the potential advantage for stable Q-switched pulse generation at 1.5 ?m. PMID:25836793

  1. Erbium-doped aluminophosphosilicate optical fibres

    SciTech Connect

    Likhachev, M E; Bubnov, M M; Zotov, K V; Medvedkov, O I; Lipatov, D S; Yashkov, M V; Gur'yanov, Aleksei N

    2010-09-10

    We have studied the active properties of erbium-doped aluminophosphosilicate (APS) core fibres in wide ranges of erbia, alumina and phosphorus pentoxide concentrations. The absorption and luminescence spectra of the P{sub 2}O{sub 5}- or Al{sub 2}O{sub 3}-enriched erbium-doped APS fibres are shown to be similar to those of the erbium-doped fibres singly doped with phosphorus pentoxide or alumina, respectively. The formation of AlPO{sub 4} in APS fibres leads not only to a reduction in the refractive index of the glass but also to a marked increase in Er{sub 2}O{sub 3} solubility in silica. (optical fibres)

  2. Assignments of the Raman modes of monoclinic erbium oxide

    NASA Astrophysics Data System (ADS)

    Yan, D.; Wu, P.; Zhang, S. P.; Liang, L.; Yang, F.; Pei, Y. L.; Chen, S.

    2013-11-01

    As a heavy rare earth oxide, erbium oxide (Er2O3) has many attractive properties. Monoclinic Er2O3 has useful properties not found in stable cubic Er2O3, such as unique optical properties and high radiation damage tolerance. In this study, cubic Er2O3 coating and Er2O3 coating with mixed phases were prepared. The Raman scattering spectra of these coatings were investigated by using a confocal micro-Raman spectrometer equipped with 325, 473, 514, 532, 633, and 784 nm lasers. A total of 17 first-order Raman modes of monoclinic Er2O3 were identified and assigned. The modes at 83, 112, 152, 170, 278, 290, 409, 446, 478, 521, 603, and 622 cm-1 are of Ag symmetry, whereas modes at 71, 98, 333, 409, 446, and 468 cm-1 are of Bg symmetry. This research provides basic data necessary for the characterization of monoclinic Er2O3 by Raman spectroscopy.

  3. Assignments of the Raman modes of monoclinic erbium oxide

    SciTech Connect

    Yan, D.; Wu, P. Zhang, S. P.; Liang, L.; Yang, F.; Pei, Y. L.; Chen, S.

    2013-11-21

    As a heavy rare earth oxide, erbium oxide (Er{sub 2}O{sub 3}) has many attractive properties. Monoclinic Er{sub 2}O{sub 3} has useful properties not found in stable cubic Er{sub 2}O{sub 3}, such as unique optical properties and high radiation damage tolerance. In this study, cubic Er{sub 2}O{sub 3} coating and Er{sub 2}O{sub 3} coating with mixed phases were prepared. The Raman scattering spectra of these coatings were investigated by using a confocal micro-Raman spectrometer equipped with 325, 473, 514, 532, 633, and 784?nm lasers. A total of 17 first-order Raman modes of monoclinic Er{sub 2}O{sub 3} were identified and assigned. The modes at 83, 112, 152, 170, 278, 290, 409, 446, 478, 521, 603, and 622?cm{sup ?1} are of A{sub g} symmetry, whereas modes at 71, 98, 333, 409, 446, and 468?cm{sup ?1} are of B{sub g} symmetry. This research provides basic data necessary for the characterization of monoclinic Er{sub 2}O{sub 3} by Raman spectroscopy.

  4. Infrared spectroscopy and upconversion luminescence behaviour of erbium doped yttrium (III) oxide phosphor

    NASA Astrophysics Data System (ADS)

    Dubey, Vikas; Tiwari, Ratnesh; Tamrakar, Raunak Kumar; Rathore, Gajendra Singh; Sharma, Chitrakant; Tiwari, Neha

    2014-11-01

    The paper reports upconversion luminescence behaviour and infra-red spectroscopic pattern of erbium doped yttrium (III) oxide phosphor. Sample was synthesized by solid state reaction method with variable concentration or erbium (0.5-2.5 mol%). The conventional solid state method is suitable for large scale production and eco-friendly method. The prepared sample was characterized by X-ray diffraction (XRD) technique. From structural analysis by XRD technique shows cubic structure of prepared sample with variable concentration of erbium and no impurity phase were found when increase the concentration of Er3+. Particle size was calculated by Scherer's formula and it varies from 67 nm to 120 nm. The surface morphology of prepared phosphor was determined by field emission gun scanning electron microscopy (FEGSEM) technique. The surface morphology of the sample shows good connectivity with grains as well as some agglomerates formation occurs in sample. The functional group analysis was done by Fourier transform infra-red technique (FTIR) analysis which confirm the formation of Y2O3:Er3+ phosphor was prepared. The results indicated that the Y2O3:Er3+ phosphors might have high upconversion efficiency because of their low vibrational energy. Under 980 nm laser excitation sample shows intense green emission at 555 nm and orange emission at 590 nm wavelength. For green emission transition occurs 2H11/2 ? 4I15/2, 4S3/2 ? 4I15/2 for upconversion emissions. Excited state absorption and energy transfer process were discussed as possible upconversion mechanisms. The near infrared luminescence spectra was recorded. The upconversion luminescence intensity increase with increasing the concentration or erbium up to 2 mol% after that luminescence intensity decreases due to concentration quenching occurs. Spectrophotometric determinations of peaks are evaluated by Commission Internationale de I'Eclairage (CIE) technique. From CIE technique the dominant peak of from PL spectra shows intense green emission so the prepared phosphor is may be useful for green light emitting diode (GLED) application.

  5. Erbium hydride thermal desorption : controlling kinetics.

    SciTech Connect

    Ferrizz, Robert Matthew

    2007-08-01

    Thermal desorption spectroscopy (TDS) is used to study the decomposition kinetics of erbium hydride thin films. The TDS results presented in this report show that hydride film processing parameters directly impact thermal stability. Issues to be addressed include desorption kinetics for dihydrides and trihydrides, and the effect of film growth parameters, loading parameters, and substrate selection on desorption kinetics.

  6. Anisotropic optical trapping of ultracold erbium atoms

    E-print Network

    Maxence Lepers; Jean-François Wyart; Olivier Dulieu; --

    2013-10-23

    Ultracold atoms confined in a dipole trap are submitted to a potential whose depth is proportional to the real part of their dynamic dipole polarizability. The atoms also experience photon scattering whose rate is proportional to the imaginary part of their dynamic dipole polarizability. In this article we calculate the complex dynamic dipole polarizability of ground-state erbium, a rare-earth atom that was recently Bose-condensed. The polarizability is calculated with the sum-over-state formula inherent to second-order perturbation theory. The summation is performed on transition energies and transition dipole moments from ground-state erbium, which are computed using the Racah-Slater least-square fitting procedure provided by the Cowan codes. This allows us to predict 9 unobserved odd-parity energy levels of total angular momentum J=5, 6 and 7, in the range 25000-31000 cm-1 above the ground state. Regarding the trapping potential, we find that ground-state erbium essentially behaves like a spherically-symmetric atom, in spite of its large electronic angular momentum. We also find a mostly isotropic van der Waals interaction between two ground-state erbium atoms, characterized by a coefficient C_6^{iso}=1760 a.u.. On the contrary, the photon-scattering rate shows a pronounced anisotropy, since it strongly depends on the polarization of the trapping light.

  7. Anisotropic optical trapping of ultracold erbium atoms

    NASA Astrophysics Data System (ADS)

    Dulieu, Olivier; Lepers, Maxence; Wyart, Jean-Francois

    2014-05-01

    We calculate the complex dynamic dipole polarizability of ground-state erbium, a rare-earth atom that was recently Bose-condensed. This quantity determines the trapping conditions of cold atoms in an optical trap. The polarizability is calculated with the sum-over-state formula inherent to second-order perturbation theory. The summation is performed on transition energies and transition dipole moments from ground-state erbium, which are computed using the Racah-Slater least-square fitting procedure provided by the Cowan codes. This allows us to predict several yet unobserved energy levels in the range 25000-31000 cm-1 above the ground state. Regarding the trapping potential, we find that ground-state erbium essentially behaves like a spherically-symmetric atom, in spite of its large electronic angular momentum. We find a mostly isotropic van der Waals interaction between two ground-state erbium atoms, with a coefficient C6iso= 1760 a.u.. On the contrary, the photon-scattering rate is strongly anisotropic with respect to the polarization of the trapping light. also at LERMA, UMR8112, Observatoire de Paris-Meudon, Univ. Pierre et Marie Curie, Meudon, France.

  8. Erbium:YAG laser for cataract extraction

    NASA Astrophysics Data System (ADS)

    Snyder, Robert W.; Jani, Mahendra G.; Yarborough, Mike; Marcellino, George R.; Noecker, Robert J.; Kramer, Theresa R.; Vidaurri, Jesus

    1998-06-01

    The Erbium:YAG laser may be an effective laser for use in cataract surgery. At 2.94 mm the energy is maximally absorbed by water thereby efficiently disrupting tissue with minimal surrounding thermal damage. The laser may be safer to use in the eye than conventional ultrasonic emulsifiers. Preliminary clinical studies of the safety and efficacy have begun.

  9. Theoretical and experimental evaluation of multilayer porous silicon structures for enhanced erbium up-conversion luminescence

    E-print Network

    Johnson, Craig M; Tan, H Hoe; Conibeer, Gavin J

    2012-01-01

    The enhancement of Er$^{3+}$-based up-conversion for photovoltaics in multilayer porous silicon photonic structures is considered theoretically and experimentally. Transfer matrix simulations are used to assess the increased photonic density of states that results from the slowing of energy propagation at the short-wavelength edge of one-dimensional photonic band gaps. An indirect calculation of Er$^{3+}$ absorption enhancement within slow-light modes is then used to illustrate an increase in absorption over the bulk value: the effective absorption coefficient is shown to increase by more than 22% over a broad spectral region and by more than 400% over a narrow region. Erbium-doped porous silicon photonic crystals are fabricated with the photonic band edge coincident with the $^{4}I_{15/2} \\rightarrow^{4}I_{13/2}$ Er$^{3+}$ transition. Challenges in fabrication and the results of compositional analysis are discussed. An angular-dependent photoluminescence measurement demonstrates emission intensity that varie...

  10. 7 CFR 767.152 - Exceptions.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ...2014-01-01 2014-01-01 false Exceptions. 767.152 Section 767.152 Agriculture Regulations of the Department...PROPERTY MANAGEMENT Disposal of Inventory Property § 767.152 Exceptions. The Agency's disposition...

  11. 7 CFR 767.152 - Exceptions.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ...2013-01-01 2013-01-01 false Exceptions. 767.152 Section 767.152 Agriculture Regulations of the Department...PROPERTY MANAGEMENT Disposal of Inventory Property § 767.152 Exceptions. The Agency's disposition...

  12. 7 CFR 767.152 - Exceptions.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ...2012-01-01 2012-01-01 false Exceptions. 767.152 Section 767.152 Agriculture Regulations of the Department...PROPERTY MANAGEMENT Disposal of Inventory Property § 767.152 Exceptions. The Agency's disposition...

  13. 7 CFR 767.152 - Exceptions.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ...2011-01-01 2011-01-01 false Exceptions. 767.152 Section 767.152 Agriculture Regulations of the Department...PROPERTY MANAGEMENT Disposal of Inventory Property § 767.152 Exceptions. The Agency's disposition...

  14. 7 CFR 767.152 - Exceptions.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ...2010-01-01 2010-01-01 false Exceptions. 767.152 Section 767.152 Agriculture Regulations of the Department...PROPERTY MANAGEMENT Disposal of Inventory Property § 767.152 Exceptions. The Agency's disposition...

  15. Isothermal decomposition of ?-irradiated erbium acetate

    NASA Astrophysics Data System (ADS)

    Mahfouz, R. M.; Al-Shehri, S. M.; Monshi, M. A. S.; Alhaizan, A. I.; El-Salam, N. M. Abd

    Isothermal decomposition of un-irradiated and pre-?-irradiated erbium acetate has been investigated at different temperatures between 583 and 603 K. Irradiation was observed to enhance the rate of decomposition without modifying the mechanism of the thermal decomposition. Thermal decomposition of erbium acetate has been shown to proceed by a nucleation and growth mechanism (Erofe'ev model) both for un-irradiated and pre-?-irradiated samples. The enhancement of the decomposition was found to increase with an increase in the ?-ray dose applied to the sample and may be attributed to an increase in point defects and formation of additional nucleation centers generated in the host lattice. Thermodynamic values of the main decomposition process were calculated and evaluated.

  16. Hybrid quantum circuit with implanted erbium ions

    SciTech Connect

    Probst, S.; Rotzinger, H.; Tkal?ec, A.; Kukharchyk, N.; Wieck, A. D.; Wünsch, S.; Siegel, M.; Ustinov, A. V.; Bushev, P. A.

    2014-10-20

    We report on hybrid circuit quantum electrodynamics experiments with focused ion beam implanted Er{sup 3+} ions in Y{sub 2}SiO{sub 5} coupled to an array of superconducting lumped element microwave resonators. The Y{sub 2}SiO{sub 5} crystal is divided into several areas with distinct erbium doping concentrations, each coupled to a separate resonator. The coupling strength is varied from 5?MHz to 18.7?MHz, while the linewidth ranges between 50?MHz and 130?MHz. We confirm the paramagnetic properties of the implanted spin ensemble by evaluating the temperature dependence of the coupling. The efficiency of the implantation process is analyzed and the results are compared to a bulk doped Er:Y{sub 2}SiO{sub 5} sample. We demonstrate the integration of these engineered erbium spin ensembles with superconducting circuits.

  17. Anisotropic optical trapping of ultracold erbium atoms

    E-print Network

    Lepers, Maxence; Dulieu, Olivier; --,

    2013-01-01

    Ultracold atoms confined in a dipole trap are submitted to a potential whose depth is proportional to the real part of their dynamic dipole polarizability. The atoms also experience photon scattering whose rate is proportional to the imaginary part of their dynamic dipole polarizability. In this article we calculate the complex dynamic dipole polarizability of ground-state erbium, a rare-earth atom that was recently Bose-condensed. The polarizability is calculated with the sum-over-state formula inherent to second-order perturbation theory. The summation is performed on transition energies and transition dipole moments from ground-state erbium, which are computed using the Racah-Slater least-square fitting procedure provided by the Cowan codes. This allows us to predict 9 unobserved odd-parity energy levels of total angular momentum J=5, 6 and 7, in the range 25000-31000 cm-1 above the ground state. Regarding the trapping potential, we find that ground-state erbium essentially behaves like a spherically-symme...

  18. Characterization of the surface changes during the activation of erbium/erbium oxide for hydrogen storage.

    SciTech Connect

    Zavadil, Kevin Robert; Snow, Clark Sheldon; Brumbach, Michael Todd

    2010-09-01

    Erbium is known to effectively load with hydrogen when held at high temperature in a hydrogen atmosphere. To make the storage of hydrogen kinetically feasible, a thermal activation step is required. Activation is a routine practice, but very little is known about the physical, chemical, and/or electronic processes that occur during Activation. This work presents in situ characterization of erbium Activation using variable energy photoelectron spectroscopy at various stages of the Activation process. Modification of the passive surface oxide plays a significant role in Activation. The chemical and electronic changes observed from core-level and valence band spectra will be discussed along with corroborating ion scattering spectroscopy measurements.

  19. Design for a single mode erbium-doped fiber laser 

    E-print Network

    Wang, Jon-En

    1995-01-01

    The objective of this research was to design and fabricate a single-mode, narrow-linewidth linear erbium-doped fiber laser using a solid etalon for mode selection. This thesis describes the design of the linear laser which uses erbium-doped fiber...

  20. Model Investigation of Temperature and Concentration Dependent Luminescence of Erbium-doped Tellurite Glasses

    SciTech Connect

    Ghoshal, S. K.; Sahar, M. R.; Rohani, M. S.; Tewari, H. S.

    2011-11-22

    Improving the up-conversion efficiency is the key issue in tellurite glasses. The quantum efficiency, radiative transition rate and lifetimes of excited states are greatly influenced by the optical properties of the host material, ligand field, multiphonon relaxation processes, impurities, temperature and concentration of erbium ions. We develop a comprehensive 4-level model to examine the radiative and nonradiative (NR) decay processes for the green ({sup 4}S{sub 3/2}{yields}{sup 4}I{sub 15/2}) and red ({sup 4}F{sub 9/2}{yields}{sup 4}I{sub 15/2}) emission over a temperature range of (10-340 K) and concentration range of (0.1-4.5 mol.%). Concentration dependent enhancement and thermal quenching of efficiency for up-conversion is investigated using the derived rate equations. These features are attributed to the NR energy transfer processes, trapped impurity effects, and thermal assisted hopping. The unusual nature of temperature and concentration dependent quenching effects for green and red emission is queries for further investigations. It is further suggested that to achieve higher infrared to visible up-converted efficiency in tellurite glasses the NR channels for energy and charge transfer by phonon and impurity mediated process has to be minimized. Our results on pump power dependent emission intensity, quantum efficiency, luminescence intensity, radiative lifetimes, and transition probabilities are in conformity with other experimental findings.

  1. Bose-Einstein Condensation of Erbium

    E-print Network

    Aikawa, K; Mark, M; Baier, S; Rietzler, A; Grimm, R; Ferlaino, F

    2012-01-01

    We report on the achievement of Bose-Einstein condensation of erbium atoms and on the observation of magnetic Feshbach resonances at low magnetic field. By means of evaporative cooling in an optical dipole trap, we produce pure condensates of $^{168}$Er, containing up to $7 \\times 10^{4}$ atoms. Feshbach spectroscopy reveals an extraordinary rich loss spectrum with six loss resonances already in a narrow magnetic-field range up to 3 G. Finally, we demonstrate the application of a low-field Feshbach resonance to produce a tunable dipolar Bose-Einstein condensate and we observe its characteristic d-wave collapse.

  2. Effect of AgCl on spectroscopic properties of erbium doped zinc tellurite glass

    NASA Astrophysics Data System (ADS)

    Reza Dousti, M.; Sahar, M. R.; Ghoshal, S. K.; Amjad, Raja J.; Samavati, A. R.

    2013-03-01

    The Er3+ doped zinc tellurite glass containing Ag nanoparticles (NPs) were synthesized from high purity raw materials by melt quenching method and the influence of Ag NPs on the spectroscopic properties were investigated. The glasses are characterized using DTA, EDX, TEM, FTIR, UV-Vis-NIR and photoluminescence (PL) techniques. The DTA data reveal that the addition of silver chloride increased the thermal stability from 0.52 to 0.67 for samples without and with 2 mol% AgCl respectively. The sharp peaks in EDX spectra show the presence of Ag nanocrystallites. The TEM micrograph shows the distribution of NPs is Gaussian and the average size is estimated ˜10 nm. Seven absorption bands of erbium were evidenced in the UV-Vis-NIR measurements. Optical band gap and density were found to decrease with addition of AgCl concentration, while molar volume increased. The PL spectra exhibit four peaks corresponding to 2H11/2 ? 4I15/2, 4S3/2 ? 4I15/2, 4F9/2 ? 4I15/2 and 4S3/2 ? 4I13/2 transitions. An enhancement in the order of six times for 2 mol% of dopant and a subsequent quench in luminescence spectra of co-doped zinc tellurite glasses were observed. Such enhancements were attributed to silver nanoparticles with average size of 10 nm and absorption band centered at 552 nm. The studied glasses provide enormous scope to achieve the materials suitable for nanophotonics, solid state lasers and color displays.

  3. Polarized luminescence of erbium and thulium ions in glasses

    NASA Astrophysics Data System (ADS)

    Rokhmin, Alexey; Aseev, Vladimir; Nikonorov, Nikolay

    2015-03-01

    The partially polarized luminescence of erbium- and thulium-doped glasses exited by the linearly polarized laser radiation was observed. The dependence of the polarization degree on the RE ions concentration and on the glass matrix composition were investigated. For erbium- and thulium-doped glasses, the maximum polarization degree was shown to reach ?0.1% and ?1%, respectively. The polarized luminescence properties of RE-doped glasses were explained based on the model of an optical oscillator.

  4. 10 CFR 72.152 - Document control.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ...Document control. 72.152 Section 72.152 Energy NUCLEAR REGULATORY COMMISSION (CONTINUED) LICENSING REQUIREMENTS FOR THE INDEPENDENT STORAGE OF SPENT NUCLEAR FUEL, HIGH-LEVEL RADIOACTIVE WASTE, AND...

  5. 10 CFR 72.152 - Document control.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ...Document control. 72.152 Section 72.152 Energy NUCLEAR REGULATORY COMMISSION (CONTINUED) LICENSING REQUIREMENTS FOR THE INDEPENDENT STORAGE OF SPENT NUCLEAR FUEL, HIGH-LEVEL RADIOACTIVE WASTE, AND...

  6. 7 CFR 3560.152 - Tenant eligibility.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ...152 Section 3560.152 Agriculture Regulations of the Department of Agriculture (Continued) RURAL HOUSING SERVICE, DEPARTMENT OF AGRICULTURE DIRECT MULTI-FAMILY HOUSING...Department of Housing and Urban Development (HUD)...

  7. 7 CFR 3560.152 - Tenant eligibility.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ...152 Section 3560.152 Agriculture Regulations of the Department of Agriculture (Continued) RURAL HOUSING SERVICE, DEPARTMENT OF AGRICULTURE DIRECT MULTI-FAMILY HOUSING...Department of Housing and Urban Development (HUD)...

  8. Luminescence of erbium ions in tellurite glasses

    SciTech Connect

    Savikin, Alexander P.; Grishin, Igor A.; Sharkov, Valery V.; Budruev, Andrei V.

    2013-11-15

    Optical characteristics of new generation of tellurite glasses having high stability against crystallization have been studied. As the initial reagents for the glasses synthesis on the base of tellurium oxide (TeO{sub 2}) there were used such oxides as WO{sub 3}, MoO{sub 3}, La{sub 2}O{sub 3}, Li{sub 2}CO{sub 3}, ZnO—Bi{sub 2}O{sub 2}CO{sub 3} and active components such as high purity Er{sub 2}O{sub 3}, Yb{sub 2}O{sub 3}, ErF{sub 3} and YbF{sub 3}. Intensities of luminescence at 1.53 µm of the erbium ions were determined after excitation at 975 nm. Experimental data obtained have shown the possibility to use the studied glasses doped by Er{sup 3+} and Yb{sup 3+} as active elements for fiber and integrated optics. - Graphical abstract: In contrast to the case of ZBLAN glass the TeO{sub 2}–WO{sub 3} (Er{sup 3+}) glass has bright intensity of luminescence at 1.53 µm for erbium ions that should be caused by excitation at 975 nm. Experimental data obtained have shown the possibility to use the studied glasses doped by Er{sup 3+} and Yb{sup 3+} as active elements for fiber and integrated optics. Display Omitted - Highlights: • We examined changes in growth of luminescence in doubly-doped tellurite glasses. • We found that luminescence grows in two orders by using Er{sup 3+} and Yb{sup 3+} at 1.53 ?m. • We see possibility to use those glasses as active elements for integrated optics.

  9. Quantifying and controlling the magnetic dipole contribution to 1.5-?m light emission in erbium-doped yttrium oxide

    NASA Astrophysics Data System (ADS)

    Li, Dongfang; Jiang, Mingming; Cueff, Sébastien; Dodson, Christopher M.; Karaveli, Sinan; Zia, Rashid

    2014-04-01

    We experimentally quantify the contribution of magnetic dipole (MD) transitions to the near-infrared light emission from trivalent erbium-doped yttrium oxide (Er3+:Y2O3). Using energy-momentum spectroscopy, we demonstrate that the 4I13/2?4I15/2 emission near 1.5 ?m originates from nearly equal contributions of electric dipole (ED) and MD transitions that exhibit distinct emission spectra. We then show how these distinct spectra, together with the differing local density of optical states for ED and MD transitions, can be leveraged to control Er3+ emission in structured environments. We demonstrate that far-field emission spectra can be tuned to resemble almost pure emission from either ED or MD transitions and show that the observed spectral modifications can be accurately predicted from the measured ED and MD intrinsic emission rates.

  10. 29 CFR 1910.152 - [Reserved

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 29 Labor 5 2013-07-01 2013-07-01 false 1910.152 Section 1910.152 Labor Regulations Relating to Labor (Continued) OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR OCCUPATIONAL SAFETY AND HEALTH STANDARDS Medical and First Aid § 1910.152...

  11. 29 CFR 1910.152 - [Reserved

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 29 Labor 5 2012-07-01 2012-07-01 false 1910.152 Section 1910.152 Labor Regulations Relating to Labor (Continued) OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR OCCUPATIONAL SAFETY AND HEALTH STANDARDS Medical and First Aid § 1910.152...

  12. 29 CFR 1910.152 - [Reserved

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 29 Labor 5 2011-07-01 2011-07-01 false 1910.152 Section 1910.152 Labor Regulations Relating to Labor (Continued) OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR OCCUPATIONAL SAFETY AND HEALTH STANDARDS Medical and First Aid § 1910.152...

  13. 29 CFR 1910.152 - [Reserved

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 29 Labor 5 2014-07-01 2014-07-01 false 1910.152 Section 1910.152 Labor Regulations Relating to Labor (Continued) OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR OCCUPATIONAL SAFETY AND HEALTH STANDARDS Medical and First Aid § 1910.152...

  14. 40 CFR 152.3 - Definitions.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 40 Protection of Environment 25 2012-07-01 2012-07-01 false Definitions. 152.3 Section 152.3 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PESTICIDE PROGRAMS PESTICIDE REGISTRATION AND CLASSIFICATION PROCEDURES General Provisions § 152.3 Definitions. Terms used in this part have the same meaning as in the Act. In...

  15. 40 CFR 152.3 - Definitions.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 40 Protection of Environment 23 2010-07-01 2010-07-01 false Definitions. 152.3 Section 152.3 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PESTICIDE PROGRAMS PESTICIDE REGISTRATION AND CLASSIFICATION PROCEDURES General Provisions § 152.3 Definitions. Terms used in this part have the same meaning as in the Act. In...

  16. 40 CFR 429.152 - [Reserved

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 40 Protection of Environment 30 2011-07-01 2011-07-01 false 429.152 Section 429.152 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) EFFLUENT GUIDELINES AND STANDARDS TIMBER PRODUCTS PROCESSING POINT SOURCE CATEGORY Insulation Board Subcategory § 429.152...

  17. 40 CFR 429.152 - [Reserved

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 40 Protection of Environment 31 2012-07-01 2012-07-01 false 429.152 Section 429.152 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) EFFLUENT GUIDELINES AND STANDARDS (CONTINUED) TIMBER PRODUCTS PROCESSING POINT SOURCE CATEGORY Insulation Board Subcategory § 429.152...

  18. 19 CFR 152.106 - Computed value.

    Code of Federal Regulations, 2011 CFR

    2011-04-01

    ... 19 Customs Duties 2 2011-04-01 2011-04-01 false Computed value. 152.106 Section 152.106 Customs Duties U.S. CUSTOMS AND BORDER PROTECTION, DEPARTMENT OF HOMELAND SECURITY; DEPARTMENT OF THE TREASURY (CONTINUED) CLASSIFICATION AND APPRAISEMENT OF MERCHANDISE Valuation of Merchandise § 152.106 Computed value. (a) Elements. The computed value...

  19. 19 CFR 152.106 - Computed value.

    Code of Federal Regulations, 2014 CFR

    2014-04-01

    ... merchandise. The value of any engineering, development, artwork, design work, and plans and sketches... 19 Customs Duties 2 2014-04-01 2014-04-01 false Computed value. 152.106 Section 152.106 Customs... (CONTINUED) CLASSIFICATION AND APPRAISEMENT OF MERCHANDISE Valuation of Merchandise § 152.106 Computed...

  20. 19 CFR 152.106 - Computed value.

    Code of Federal Regulations, 2012 CFR

    2012-04-01

    ... merchandise. The value of any engineering, development, artwork, design work, and plans and sketches... 19 Customs Duties 2 2012-04-01 2012-04-01 false Computed value. 152.106 Section 152.106 Customs... (CONTINUED) CLASSIFICATION AND APPRAISEMENT OF MERCHANDISE Valuation of Merchandise § 152.106 Computed...

  1. 19 CFR 152.106 - Computed value.

    Code of Federal Regulations, 2013 CFR

    2013-04-01

    ... merchandise. The value of any engineering, development, artwork, design work, and plans and sketches... 19 Customs Duties 2 2013-04-01 2013-04-01 false Computed value. 152.106 Section 152.106 Customs... (CONTINUED) CLASSIFICATION AND APPRAISEMENT OF MERCHANDISE Valuation of Merchandise § 152.106 Computed...

  2. 7 CFR 3550.152 - Loan payments.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... 7 Agriculture 15 2010-01-01 2010-01-01 false Loan payments. 3550.152 Section 3550.152 Agriculture... DIRECT SINGLE FAMILY HOUSING LOANS AND GRANTS Regular Servicing § 3550.152 Loan payments. (a) Payment terms. Unless the loan documents specify other loan repayment terms, borrowers are required to...

  3. 14 CFR 152.305 - Accounting records.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... 14 Aeronautics and Space 3 2011-01-01 2011-01-01 false Accounting records. 152.305 Section 152.305... AIRPORT AID PROGRAM Accounting and Reporting Requirements § 152.305 Accounting records. (a) Airport... individual project, an accounting record satisfactory to the Administrator which segregates cost...

  4. 14 CFR 152.305 - Accounting records.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... 14 Aeronautics and Space 3 2014-01-01 2014-01-01 false Accounting records. 152.305 Section 152.305... AIRPORT AID PROGRAM Accounting and Reporting Requirements § 152.305 Accounting records. (a) Airport... individual project, an accounting record satisfactory to the Administrator which segregates cost...

  5. 14 CFR 152.305 - Accounting records.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... 14 Aeronautics and Space 3 2010-01-01 2010-01-01 false Accounting records. 152.305 Section 152.305... AIRPORT AID PROGRAM Accounting and Reporting Requirements § 152.305 Accounting records. (a) Airport... individual project, an accounting record satisfactory to the Administrator which segregates cost...

  6. 14 CFR 152.305 - Accounting records.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... 14 Aeronautics and Space 3 2012-01-01 2012-01-01 false Accounting records. 152.305 Section 152.305... AIRPORT AID PROGRAM Accounting and Reporting Requirements § 152.305 Accounting records. (a) Airport... individual project, an accounting record satisfactory to the Administrator which segregates cost...

  7. 14 CFR 152.305 - Accounting records.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... 14 Aeronautics and Space 3 2013-01-01 2013-01-01 false Accounting records. 152.305 Section 152.305... AIRPORT AID PROGRAM Accounting and Reporting Requirements § 152.305 Accounting records. (a) Airport... individual project, an accounting record satisfactory to the Administrator which segregates cost...

  8. 21 CFR 133.152 - Limburger cheese.

    Code of Federal Regulations, 2014 CFR

    2014-04-01

    ... 21 Food and Drugs 2 2014-04-01 2014-04-01 false Limburger cheese. 133.152 Section 133.152 Food and... CONSUMPTION CHEESES AND RELATED CHEESE PRODUCTS Requirements for Specific Standardized Cheese and Related Products § 133.152 Limburger cheese. (a) Description. (1) Limburger cheese is the food prepared by one...

  9. 21 CFR 133.152 - Limburger cheese.

    Code of Federal Regulations, 2013 CFR

    2013-04-01

    ... 21 Food and Drugs 2 2013-04-01 2013-04-01 false Limburger cheese. 133.152 Section 133.152 Food and... CONSUMPTION CHEESES AND RELATED CHEESE PRODUCTS Requirements for Specific Standardized Cheese and Related Products § 133.152 Limburger cheese. (a) Description. (1) Limburger cheese is the food prepared by one...

  10. 14 CFR 152.3 - Definitions.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... 14 Aeronautics and Space 3 2010-01-01 2010-01-01 false Definitions. 152.3 Section 152.3 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION (CONTINUED) AIRPORTS AIRPORT AID PROGRAM General § 152.3 Definitions. The following are definitions of terms used throughout this part: AADA means the Airport and...

  11. 14 CFR 152.403 - Definitions.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... 14 Aeronautics and Space 3 2010-01-01 2010-01-01 false Definitions. 152.403 Section 152.403 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION (CONTINUED) AIRPORTS AIRPORT AID PROGRAM Nondiscrimination in Airport Aid Program § 152.403 Definitions. As used in this subpart— AADA means the Airport and...

  12. 14 CFR 152.403 - Definitions.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... 14 Aeronautics and Space 3 2013-01-01 2013-01-01 false Definitions. 152.403 Section 152.403 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION (CONTINUED) AIRPORTS AIRPORT AID PROGRAM Nondiscrimination in Airport Aid Program § 152.403 Definitions. As used in this subpart— AADA means the Airport and...

  13. 14 CFR 152.3 - Definitions.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... 14 Aeronautics and Space 3 2011-01-01 2011-01-01 false Definitions. 152.3 Section 152.3 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION (CONTINUED) AIRPORTS AIRPORT AID PROGRAM General § 152.3 Definitions. The following are definitions of terms used throughout this part: AADA means the Airport and...

  14. 14 CFR 152.403 - Definitions.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... 14 Aeronautics and Space 3 2014-01-01 2014-01-01 false Definitions. 152.403 Section 152.403 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION (CONTINUED) AIRPORTS AIRPORT AID PROGRAM Nondiscrimination in Airport Aid Program § 152.403 Definitions. As used in this subpart— AADA means the Airport and...

  15. 14 CFR 152.403 - Definitions.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... 14 Aeronautics and Space 3 2011-01-01 2011-01-01 false Definitions. 152.403 Section 152.403 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION (CONTINUED) AIRPORTS AIRPORT AID PROGRAM Nondiscrimination in Airport Aid Program § 152.403 Definitions. As used in this subpart— AADA means the Airport and...

  16. 14 CFR 152.3 - Definitions.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... 14 Aeronautics and Space 3 2013-01-01 2013-01-01 false Definitions. 152.3 Section 152.3 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION (CONTINUED) AIRPORTS AIRPORT AID PROGRAM General § 152.3 Definitions. The following are definitions of terms used throughout this part: AADA means the Airport and...

  17. 12 CFR 152.4 - Charter amendments.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... 12 Banks and Banking 1 2012-01-01 2012-01-01 false Charter amendments. 152.4 Section 152.4 Banks and Banking COMPTROLLER OF THE CURRENCY, DEPARTMENT OF THE TREASURY FEDERAL STOCK ASSOCIATIONS-INCORPORATION, ORGANIZATION, AND CONVERSION § 152.4 Charter amendments. (a) General. In order to adopt a charter amendment, a Federal stock association...

  18. 15 CFR 15.2 - Definitions.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... 15 Commerce and Foreign Trade 1 2010-01-01 2010-01-01 false Definitions. 15.2 Section 15.2 Commerce and Foreign Trade Office of the Secretary of Commerce LEGAL PROCEEDINGS Service of Process § 15.2... States Department of Commerce or other Department employee to whom the General Counsel has...

  19. 45 CFR 152.1 - Statutory basis.

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ... 45 Public Welfare 1 2011-10-01 2011-10-01 false Statutory basis. 152.1 Section 152.1 Public Welfare DEPARTMENT OF HEALTH AND HUMAN SERVICES REQUIREMENTS RELATING TO HEALTH CARE ACCESS PRE-EXISTING CONDITION INSURANCE PLAN PROGRAM General Provisions § 152.1 Statutory basis. (a) Basis. This part establishes provisions needed to implement...

  20. 45 CFR 152.1 - Statutory basis.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ... 45 Public Welfare 1 2010-10-01 2010-10-01 false Statutory basis. 152.1 Section 152.1 Public Welfare DEPARTMENT OF HEALTH AND HUMAN SERVICES REQUIREMENTS RELATING TO HEALTH CARE ACCESS PRE-EXISTING CONDITION INSURANCE PLAN PROGRAM General Provisions § 152.1 Statutory basis. (a) Basis. This part establishes provisions needed to implement...

  1. 14 CFR 152.3 - Definitions.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... 14 Aeronautics and Space 3 2012-01-01 2012-01-01 false Definitions. 152.3 Section 152.3 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION (CONTINUED) AIRPORTS AIRPORT AID PROGRAM General § 152.3 Definitions. The following are definitions of terms used throughout this part: AADA means the Airport and...

  2. 14 CFR 152.403 - Definitions.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... 14 Aeronautics and Space 3 2012-01-01 2012-01-01 false Definitions. 152.403 Section 152.403 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION (CONTINUED) AIRPORTS AIRPORT AID PROGRAM Nondiscrimination in Airport Aid Program § 152.403 Definitions. As used in this subpart— AADA means the Airport and...

  3. 41 CFR 128-1.152 - Citation.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... section is referred to formally in official documents, it should be cited as “41 CFR 128-1.152.” When a... 41 Public Contracts and Property Management 3 2013-07-01 2013-07-01 false Citation. 128-1.152... (Continued) DEPARTMENT OF JUSTICE 1-INTRODUCTION 1.1-Regulation System § 128-1.152 Citation. The JPMR will...

  4. 41 CFR 128-1.152 - Citation.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... section is referred to formally in official documents, it should be cited as “41 CFR 128-1.152.” When a... 41 Public Contracts and Property Management 3 2014-01-01 2014-01-01 false Citation. 128-1.152... (Continued) DEPARTMENT OF JUSTICE 1-INTRODUCTION 1.1-Regulation System § 128-1.152 Citation. The JPMR will...

  5. 41 CFR 128-1.152 - Citation.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... section is referred to formally in official documents, it should be cited as “41 CFR 128-1.152.” When a... 41 Public Contracts and Property Management 3 2012-01-01 2012-01-01 false Citation. 128-1.152... (Continued) DEPARTMENT OF JUSTICE 1-INTRODUCTION 1.1-Regulation System § 128-1.152 Citation. The JPMR will...

  6. 41 CFR 128-1.152 - Citation.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... section is referred to formally in official documents, it should be cited as “41 CFR 128-1.152.” When a... 41 Public Contracts and Property Management 3 2010-07-01 2010-07-01 false Citation. 128-1.152... (Continued) DEPARTMENT OF JUSTICE 1-INTRODUCTION 1.1-Regulation System § 128-1.152 Citation. The JPMR will...

  7. 14 CFR 152.419 - Minority business.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... 14 Aeronautics and Space 3 2010-01-01 2010-01-01 false Minority business. 152.419 Section 152.419... AIRPORT AID PROGRAM Nondiscrimination in Airport Aid Program § 152.419 Minority business. Each person subject to this subpart is required to comply with the Minority Business Enterprise Regulations of...

  8. 19 CFR 152.106 - Computed value.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... 19 Customs Duties 2 2010-04-01 2010-04-01 false Computed value. 152.106 Section 152.106 Customs Duties U.S. CUSTOMS AND BORDER PROTECTION, DEPARTMENT OF HOMELAND SECURITY; DEPARTMENT OF THE TREASURY (CONTINUED) CLASSIFICATION AND APPRAISEMENT OF MERCHANDISE Valuation of Merchandise § 152.106 Computed value. (a) Elements. The computed value...

  9. 29 CFR 1915.152 - General requirements.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 29 Labor 7 2011-07-01 2011-07-01 false General requirements. 1915.152 Section 1915.152 Labor Regulations Relating to Labor (Continued) OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR (CONTINUED) OCCUPATIONAL SAFETY AND HEALTH STANDARDS FOR SHIPYARD EMPLOYMENT Personal Protective Equipment (PPE) § 1915.152 General...

  10. 14 CFR 152.3 - Definitions.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... 14 Aeronautics and Space 3 2014-01-01 2014-01-01 false Definitions. 152.3 Section 152.3 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION (CONTINUED) AIRPORTS AIRPORT AID PROGRAM General § 152.3 Definitions. The following are definitions of terms used throughout this part: AADA means the Airport and...

  11. Application of H Control on Pilot Tones in Erbium-Doped Fiber Amplifiers

    E-print Network

    Pavel, Lacra

    Application of H Control on Pilot Tones in Erbium-Doped Fiber Amplifiers Y. Taing and L. Pavel the effects of cross gain modulation due to supervisory pilot tones within Erbium-Doped Fiber Amplifiers: (060.2410) Fibers, erbium; (060.2320) Fiber optics amplifiers and oscillators; (140.4480) Optical

  12. Energy backtransfer and infrared photoresponse in erbium-doped silicon pn diodes

    E-print Network

    Kik, Pieter

    Energy backtransfer and infrared photoresponse in erbium-doped silicon p­n diodes N. Hamelin,a) P, and infrared photocurrent, were performed on an erbium-implanted silicon p­n junction in order to investigate surface. The PL intensity and PL lifetime measurements show weak temperature quenching of the erbium intra

  13. Switchable Multiwavelength Erbium-Doped Fiber Laser using a Multimode Fiber Bragg Grating and Photonic

    E-print Network

    Wai, Ping-kong Alexander

    Switchable Multiwavelength Erbium-Doped Fiber Laser using a Multimode Fiber Bragg Grating multiwavelength erbium-doped fiber laser with a multimode FBG and highly nonlinear PCF is demonstrated. Stable multiwavelength oscillations in erbium-doped fiber lasers (EDFLs) [1-3]. In this paper, we report a stable

  14. Manufacturing condition optimization for optical activity enhancement on Silicon nanocluster sensitized Erbium doped waveguide amplifier

    E-print Network

    Park, Namkyoo

    for optical activity enhancement on Silicon nanocluster sensitized Erbium doped waveguide amplifier Hansuek-PON PON , , . (NC- Si EDWA: silicon nanocluster sensitized Erbium doped related to optical gain in erbium-doped silicon-rich silicon oxide waveguide amplifier," Appl. Phys. Lett

  15. Spectrum engineering of multiwavelength erbium doped fiber lasers with intensity-dependent loss

    E-print Network

    Wai, Ping-kong Alexander

    Spectrum engineering of multiwavelength erbium doped fiber lasers with intensity-dependent loss@polyu.edu.hk Abstract: We studied multiwavelength erbium-doped fiber lasers with intensity-dependent loss using rate. The realization of multiwavelength CW lasers with erbium-doped fiber at room temperature by incorporating

  16. Characterization of multiwavelength erbium doped fiber lasers with intensity-dependent loss

    E-print Network

    Wai, Ping-kong Alexander

    Characterization of multiwavelength erbium doped fiber lasers with intensity-dependent loss Feng Li) Abstract We studied multiwavelength erbium-doped fiber lasers with intensity-dependent loss using rate. It has been experimentally demonstrated that multiwavelength CW operation can be obtained in erbium

  17. Enhanced light emission in photonic crystal nanocavities with Erbium-doped silicon nanocrystals

    E-print Network

    Vuckovic, Jelena

    Enhanced light emission in photonic crystal nanocavities with Erbium-doped silicon nanocrystals in silicon membranes covered by thermally annealed silicon-rich nitride films with Erbium-doped silicon. The nanocavities were carefully designed in order to enhance emission from the nanocrystal sensitized Erbium

  18. Periodic and non-periodic frequency selection in an erbium doped fiber laser

    E-print Network

    Peter, Yves-Alain

    Periodic and non-periodic frequency selection in an erbium doped fiber laser by silica microdisk spectral filters. These filters can control the spectral emission of an erbium doped fiber laser erbium- doped fiber lasers anchored on the itu frequency grid," J. Lightwave Technol. 18, 825­831 (2000

  19. Optical properties of erbium-doped organic polydentate cage complexes L. H. Slooffa)

    E-print Network

    Polman, Albert

    Optical properties of erbium-doped organic polydentate cage complexes L. H. Slooffa) and A. Polman for publication 16 September 1997 The optical properties of different erbium Er -doped polydentate hemispherand of Physics. S0021-8979 97 06124-0 I. INTRODUCTION Erbium Er doped materials have attracted a lot of at

  20. Multiwavelength erbium-doped fiber laser employing a nonlinear optical loop mirror

    E-print Network

    Wai, Ping-kong Alexander

    Multiwavelength erbium-doped fiber laser employing a nonlinear optical loop mirror Xinhuan Feng a; accepted 6 July 2006 Abstract A stable and broad bandwidth multiwavelength erbium-doped fiber laser is about 0.1 dB within a 2-h period. Ó 2006 Elsevier B.V. All rights reserved. Keywords: Erbium-doped fiber

  1. Poor fluorinated graphene sheets carboxymethylcellulose polymer composite mode locker for erbium doped fiber laser

    E-print Network

    Turitsyn, Sergei K.

    Poor fluorinated graphene sheets carboxymethylcellulose polymer composite mode locker for erbium Articles you may be interested in Mode-locked erbium-doped fiber laser based on evanescent field (2011); 10.1063/1.3672418 Large energy soliton erbium-doped fiber laser with a graphene

  2. KonradZuseZentrum fr Informationstechnik Berlin Dynamics of Erbium--doped Waveguide Lasers

    E-print Network

    Zumbusch, Gerhard

    Konrad­Zuse­Zentrum für Informationstechnik Berlin Dynamics of Erbium--doped Waveguide Lasers­19 (August 1995) #12; Dynamics of Erbium--doped Waveguide Lasers: Modelling, Reliable Simulation : : : : : : : : : : : : : : : : : : : : : : : : : : : : : 25 6 Conclusions 29 3 #12; 1 Introduction In parallel with the successful development of erbium

  3. Modification of erbium radiative lifetime in planar silicon slot waveguides Celestino Creatore,1,2,a

    E-print Network

    Modification of erbium radiative lifetime in planar silicon slot waveguides Celestino Creatore,1 silicon with erbium ions to produce silicon-based optical sources.1,2 In this respect, Er-doped SiO2 has the lifetime of the erbium ions. In order to quantitatively evaluate such modification, we analyze the decay

  4. Ultralow-threshold erbium-implanted toroidal microlaser on silicon A. Polmana)

    E-print Network

    Polman, Albert

    Ultralow-threshold erbium-implanted toroidal microlaser on silicon A. Polmana) Department an erbium-doped microlaser on silicon operating at a wavelength of 1.5 m that operates at a launched pump threshold as low as 4.5 W. The 40 m diameter toroidal microresonator is made using a combination of erbium

  5. Tunable Erbium Doped Fiber Laser Using a Silicon Micro-Electro-Mechanical Fabry-Perot Cavity

    E-print Network

    Peter, Yves-Alain

    Tunable Erbium Doped Fiber Laser Using a Silicon Micro-Electro-Mechanical Fabry-Perot Cavity J propose a novel tunable erbium doped fiber laser using a silicon micro-electro-mechanical (MEM) Fabry networks. In this paper, we propose a micro-electro-mechanical system (MEMS) tunable erbium doped fiber

  6. MO-PECVD (METAL-ORGANIC PLASMA ENHANCED CHEMICAL VAPOUR DEPOSITION) OF ERBIUM-DOPED

    E-print Network

    Qian, Li

    MO-PECVD (METAL-ORGANIC PLASMA ENHANCED CHEMICAL VAPOUR DEPOSITION) OF ERBIUM-DOPED HYDROGENATED-PECVD (Metal-Organic Plasma Enhanced Chemical Vapour Deposition) of Erbium-Doped Hydrogenated and Deuterated Sr. Department of Electrical and Computer Engineering, University of Toronto Abstract Erbium (Er3

  7. Optical Wavelength Selection and Amplification by Silica Microcavities and Erbium Doped Fiber

    E-print Network

    Peter, Yves-Alain

    Optical Wavelength Selection and Amplification by Silica Microcavities and Erbium Doped Fiber Sacha describe how circular silica micro disk resonators can be coupled to erbium doped fiber to create a desired demon- strate here a selective erbium emission at a single wavelength using a silica microcavity. I

  8. Erbium luminescence imaging of infrared surface plasmon polaritons E. Verhagen,a

    E-print Network

    Polman, Albert

    Erbium luminescence imaging of infrared surface plasmon polaritons E. Verhagen,a A. L. Tchebotareva of infrared surface plasmon polaritons SPPs on metal films using optically active erbium ions as a probe molecules employed in that work, erbium ions do not experience bleaching and thus allow for a more

  9. Gain Scheduling Control Design of an Erbium-Doped Fibre Amplifier by Pump Compensation

    E-print Network

    Pavel, Lacra

    Gain Scheduling Control Design of an Erbium-Doped Fibre Amplifier by Pump Compensation Min Ding) transmission network produces undesirable transients in the existing channels due to erbium-doped fibre the effectiveness of the gain scheduling scheme. I. INTRODUCTION Erbium-doped fibre amplifiers (EDFA's) provide low

  10. Erbium-implanted microcavity laser on silicon A. Polman, B. Min, T.J. Kippenberg,

    E-print Network

    Polman, Albert

    Erbium-implanted microcavity laser on silicon A. Polman, B. Min, T.J. Kippenberg, J. Kalkman, M, Er, Tm, Yb, Lu erbium lasers / amplifiers: Long-distance fibers Planar waveguide amplifiers 1 mm 10 m RE3+: ....4f n 5s2 5p6 #12;Miniature erbium-doped optical amplifier 1 mm Er-doped Al2O3 waveguide

  11. Silver as a sensitizer for erbium C. Strohhofer and A. Polmana)

    E-print Network

    Polman, Albert

    Silver as a sensitizer for erbium C. Strohho¨fer and A. Polmana) FOM Institute for Atomic by the presence of silver. Samples prepared by a combination of erbium ion implantation and Na Ag ion exchange absorption cross sections of rare earth ions such as erbium or neodymium have spawned numerous at- tempts

  12. Reducing pulse distortion in fast-light pulse propagation through an erbium-doped

    E-print Network

    Boyd, Robert W.

    Reducing pulse distortion in fast-light pulse propagation through an erbium-doped fiber amplifier through an erbium-doped fiber amplifier with a negative group velocity, either pulse broadening or pulse in an erbium-doped fiber ampli- fier (EDFA) by about 10% of the pulse width in each case. In both cases

  13. Multiwavelength erbium-doped fiber ring laser source with a hybrid gain medium

    E-print Network

    Wai, Ping-kong Alexander

    Multiwavelength erbium-doped fiber ring laser source with a hybrid gain medium D.N. Wang a,*, F 17 December 2002; received in revised form 21 April 2003; accepted 30 September 2003 Abstract Erbium optical amplifier is incorporated into the cavity of an erbium-doped fiber ring laser to form a hybrid

  14. Segregation and trapping of erbium during silicon molecular beam epitaxy R. Serna,a)

    E-print Network

    Polman, Albert

    Segregation and trapping of erbium during silicon molecular beam epitaxy R. Serna,a) M. Lohmeier, P Erbium surface segregation is observed during growth of Er-doped Si by molecular beam epitaxy on Si 100 on the optical doping of silicon with erbium. The aim is to obtain light emitting devices using the luminescence

  15. Stable and uniform multiwavelength erbium-doped fiber laser using nonlinear polarization

    E-print Network

    Wai, Ping-kong Alexander

    Stable and uniform multiwavelength erbium- doped fiber laser using nonlinear polarization rotation oscillations in an erbium-doped fiber laser is proposed and successfully demonstrated. The NPR effect by homogeneous gain broadening in erbium-doped fibers. Up to 28-wavelength lasing operation with wavelength

  16. H Optimal Control Design for Time Dependent Tones within Erbium-doped Fiber Amplifiers

    E-print Network

    Pavel, Lacra

    H Optimal Control Design for Time Dependent Tones within Erbium-doped Fiber Amplifiers Yong Taing effects within Erbium-doped fiber amplifiers owed to pilot tone disturbances used for optical monitoring to this growth the application of Erbium-doped fiber amplifiers (EDFAs) within wavelength di- vision multiplexed

  17. Selective excitation of erbium in silicon-infiltrated silica colloidal photonic crystals

    E-print Network

    Polman, Albert

    Selective excitation of erbium in silicon-infiltrated silica colloidal photonic crystals J. Kalkman erbium ions in the silica and silicon sections of a Si-infiltrated silica colloidal photonic crystal can deposition at 550 °C. Next, the photonic crystal was doped with erbium ions by 2 MeV ion implantation

  18. Characterization of an Erbium-Doped Fiber Amplifier as a Light Source and Development of a

    E-print Network

    Reid, Scott A.

    Characterization of an Erbium-Doped Fiber Amplifier as a Light Source and Development of a Near is amplified by the doped fiber. Furthermore, the output intensity of this erbium-doped fiber amplifier (EDFA by synergistic use of an erbium-doped fiber amplifier as a light source and an acoustooptic tunable filter

  19. Demonstration of an erbium-doped microdisk laser on a silicon chip T. J. Kippenberg*

    E-print Network

    Polman, Albert

    Demonstration of an erbium-doped microdisk laser on a silicon chip T. J. Kippenberg* Department; published 16 November 2006 An erbium-doped microlaser is demonstrated utilizing SiO2 microdisk resonators optical quality factors of up to 6 107 and were doped with trivalent erbium ions peak concentration 3

  20. Near-infrared thermal lens spectrometer based on an erbium-doped fiber amplifier and

    E-print Network

    Reid, Scott A.

    Near-infrared thermal lens spectrometer based on an erbium-doped fiber amplifier and an acousto light from 1515 to 1590 nm was provided by an erbium-doped fiber amplifier EDFA . An acousto lens, acousto-optic tunable filter, erbium doped fiber amplifier, nucleotides. 1. Introduction Tran

  1. 862 JOURNAL OF LIGHTWAVE TECHNOLOGY, VOL. 20, NO. 5, MAY 2002 Design and Performance of an Erbium-Doped Silicon

    E-print Network

    Polman, Albert

    862 JOURNAL OF LIGHTWAVE TECHNOLOGY, VOL. 20, NO. 5, MAY 2002 Design and Performance of an Erbium silicon-on-in- sulator material, and consists of an erbium-doped p­n junction lo- cated in the core measurements on an erbium-doped Si wave- guide detector at room temperature show a clear erbium related

  2. Composition and structure of sputter deposited erbium hydride thin films

    SciTech Connect

    ADAMS,DAVID P.; ROMERO,JUAN A.; RODRIGUEZ,MARK A.; FLORO,JERROLD A.; BANKS,JAMES C.

    2000-05-10

    Erbium hydride thin films are grown onto polished, a-axis {alpha} Al{sub 2}O{sub 3} (sapphire) substrates by reactive ion beam sputtering and analyzed to determine composition, phase and microstructure. Erbium is sputtered while maintaining a H{sub 2} partial pressure of 1.4 x 10{sup {minus}4} Torr. Growth is conducted at several substrate temperatures between 30 and 500 C. Rutherford backscattering spectrometry (RBS) and elastic recoil detection analyses after deposition show that the H/Er areal density ratio is approximately 3:1 for growth temperatures of 30, 150 and 275 C, while for growth above {approximately}430 C, the ratio of hydrogen to metal is closer to 2:1. However, x-ray diffraction shows that all films have a cubic metal sublattice structure corresponding to that of ErH{sub 2}. RBS and Auger electron that sputtered erbium hydride thin films are relatively free of impurities.

  3. Activation of erbium films for hydrogen storage

    SciTech Connect

    Brumbach, Michael T.; Ohlhausen, James A.; Zavadil, Kevin R.; Snow, Clark S.; Woicik, Joseph C.

    2011-06-01

    Hydriding of metals can be routinely performed at high temperature in a rich hydrogen atmosphere. Prior to the hydrogen loading process, a thermal activation procedure is required to promote facile hydrogen sorption into the metal. Despite the wide spread utilization of this activation procedure, little is known about the chemical and electronic changes that occur during activation and how this thermal pretreatment leads to increased rates of hydrogen uptake. This study utilized variable kinetic energy X-ray photoelectron spectroscopy to interrogate the changes during in situ thermal annealing of erbium films, with results confirmed by time-of-flight secondary ion mass spectrometry and low energy ion scattering. Activation can be identified by a large increase in photoemission between the valence band edge and the Fermi level and appears to occur over a two stage process. The first stage involves desorption of contaminants and recrystallization of the oxide, initially impeding hydrogen loading. Further heating overcomes the first stage and leads to degradation of the passive surface oxide leading to a bulk film more accessible for hydrogen loading.

  4. Activatino of Erbium Films for Hydrogen Storage

    SciTech Connect

    M Brumbach; j Ohlhausen; K Zavadil; C Snow; J Woicik

    2011-12-31

    Hydriding of metals can be routinely performed at high temperature in a rich hydrogen atmosphere. Prior to the hydrogen loading process, a thermal activation procedure is required to promote facile hydrogen sorption into the metal. Despite the wide spread utilization of this activation procedure, little is known about the chemical and electronic changes that occur during activation and how this thermal pretreatment leads to increased rates of hydrogen uptake. This study utilized variable kinetic energy X-ray photoelectron spectroscopy to interrogate the changes during in situ thermal annealing of erbium films, with results confirmed by time-of-flight secondary ion mass spectrometry and low energy ion scattering. Activation can be identified by a large increase in photoemission between the valence band edge and the Fermi level and appears to occur over a two stage process. The first stage involves desorption of contaminants and recrystallization of the oxide, initially impeding hydrogen loading. Further heating overcomes the first stage and leads to degradation of the passive surface oxide leading to a bulk film more accessible for hydrogen loading.

  5. Erbium concentration dependent absorbance in tellurite glass

    SciTech Connect

    Sazali, E. S. Rohani, M. S. Sahar, M. R. Arifin, R. Ghoshal, S. K. Hamzah, K.

    2014-09-25

    Enhancing the optical absorption cross-section in topically important rare earth doped tellurite glasses is challenging for photonic devices. Controlled synthesis and detailed characterizations of the optical properties of these glasses are important for the optimization. The influence of varying concentration of Er{sup 3+} ions on the absorbance characteristics of lead tellurite glasses synthesized via melt-quenching technique are investigated. The UV-Vis absorption spectra exhibits six prominent peaks centered at 490, 526, 652, 800, 982 and 1520 nm ascribed to the transitions in erbium ion from the ground state to the excited states {sup 4}F{sub 7/2}, {sup 2}H{sub 11/2}, {sup 4}F{sub 9/2}, {sup 4}I{sub 9/2}, {sup 2}H{sub 11/2} and {sup 4}I{sub 13/2}, respectively. The results are analyzed by means of optical band gap E{sub g} and Urbach energy E{sub u}. The values of the energy band gap are found decreased from 2.82 to 2.51 eV and the Urbach energy increased from 0.15 to 0.24 eV with the increase of the Er{sub 2}O{sub 3} concentration from 0 to 1.5 mol%. The excellent absorbance of the prepared tellurite glasses makes them suitable for fabricating solid state lasers.

  6. 44 CFR 152.9 - Reconsideration.

    Code of Federal Regulations, 2012 CFR

    2012-10-01

    ... SECURITY FIRE PREVENTION AND CONTROL ASSISTANCE TO FIREFIGHTERS GRANT PROGRAM § 152.9 Reconsideration. (a...: Assistant Administrator, Grant Programs Directorate, Assistance to Firefighters Grant Program, FEMA, 800...

  7. Characterization of the surface changes during the activation process of erbium/erbium oxide for hydrogen storage.

    SciTech Connect

    Zavadil, Kevin Robert; Snow, Clark Sheldon; Ohlhausen, James Anthony; Brumbach, Michael Todd

    2010-10-01

    Erbium is known to effectively load with hydrogen when held at high temperature in a hydrogen atmosphere. To make the storage of hydrogen kinetically feasible, a thermal activation step is required. Activation is a routine practice, but very little is known about the physical, chemical, and/or electronic processes that occur during Activation. This work presents in situ characterization of erbium Activation using variable energy photoelectron spectroscopy at various stages of the Activation process. Modification of the passive surface oxide plays a significant role in Activation. The chemical and electronic changes observed from core-level and valence band spectra will be discussed along with corroborating ion scattering spectroscopy measurements.

  8. Discovery of dysprosium, holmium, erbium, thulium and ytterbium isotopes

    E-print Network

    C. Fry; M. Thoennessen

    2012-05-26

    Currently, 31 dysprosium, 32 holmium, 32 erbium, 33 thulium and 31 ytterbium isotopes have been observed and the discovery of these isotopes is discussed here. For each isotope a brief synopsis of the first refereed publication, including the production and identification method, is presented.

  9. Discovery of dysprosium, holmium, erbium, thulium and ytterbium isotopes

    E-print Network

    Fry, C

    2012-01-01

    Currently, 31 dysprosium, 32 holmium, 32 erbium, 33 thulium and 31 ytterbium isotopes have been observed and the discovery of these isotopes is discussed here. For each isotope a brief synopsis of the first refereed publication, including the production and identification method, is presented.

  10. Erbium-implanted silica colloids with 80% luminescence quantum efficiency

    E-print Network

    Polman, Albert

    , and tetraethoxysilane, were implanted with 350 keV Er ions, to peak concentrations of 0.2­1.1 at. % and put onto study the optical doping of colloidal silica particles with Er using ion implantation. The influenceErbium-implanted silica colloids with 80% luminescence quantum efficiency L. H. Slooff, M. J. A. de

  11. Application of erbium: YAG laser in ocular ablation.

    PubMed

    Tsubota, K

    1990-01-01

    Recent developments in lasers have provided us the possibility of laser ocular surgery. The xenon, argon, neodymium:YAG and dye lasers have been successfully used in out-patient clinics. The excimer laser has been attracting researchers' interest in the new application of laser to cornea and lens. The erbium:YAG laser emits a 2.94-microns beam that can ablate the transparent ocular tissues such as lenses and corneas. The author has applied this laser to the cornea, lens, vitreous and other ocular tissues. The erbium:YAG laser beam was directed through a 1.5-meter-long, 200-microns-diameter fiberoptic guide. The radiant energy measured about 50 mJ at the end of the probe. The laser was emitted as a 400-microsecond pulse. Freshly enucleated rabbit eyes were used in this study. Laser burns were applied to the tissue surface at various energy settings. At minimal power, the tissues were coagulated by the erbium:YAG laser application. At a power of more than 636-954 mJ/mm2, tissue began to evaporate; the tissue loss was observed under a surgical light microscope. Corneal photoablation, lens ablation, iridotomy, trabeculotomy, cutting of the vitreous and retinal ablation were easily performed. Like the excimer laser, the erbium:YAG laser is a potential tool for ocular surgery. PMID:2345625

  12. Discovery of dysprosium, holmium, erbium, thulium, and ytterbium isotopes

    SciTech Connect

    Fry, C.; Thoennessen, M.

    2013-09-15

    Currently, thirty-one dysprosium, thirty-two holmium, thirty-two erbium, thirty-three thulium, and thirty-one ytterbium isotopes have been observed and the discovery of these isotopes is described here. For each isotope a brief synopsis of the first refereed publication, including the production and identification method, is presented.

  13. 37 CFR 1.152 - Design drawings.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 37 Patents, Trademarks, and Copyrights 1 2014-07-01 2014-07-01 false Design drawings. 1.152... COMMERCE GENERAL RULES OF PRACTICE IN PATENT CASES National Processing Provisions Design Patents § 1.152 Design drawings. The design must be represented by a drawing that complies with the requirements of §...

  14. 37 CFR 1.152 - Design drawings.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 37 Patents, Trademarks, and Copyrights 1 2010-07-01 2010-07-01 false Design drawings. 1.152... COMMERCE GENERAL RULES OF PRACTICE IN PATENT CASES National Processing Provisions Design Patents § 1.152 Design drawings. The design must be represented by a drawing that complies with the requirements of §...

  15. 37 CFR 1.152 - Design drawings.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 37 Patents, Trademarks, and Copyrights 1 2013-07-01 2013-07-01 false Design drawings. 1.152... COMMERCE GENERAL RULES OF PRACTICE IN PATENT CASES National Processing Provisions Design Patents § 1.152 Design drawings. The design must be represented by a drawing that complies with the requirements of §...

  16. 37 CFR 1.152 - Design drawings.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 37 Patents, Trademarks, and Copyrights 1 2012-07-01 2012-07-01 false Design drawings. 1.152... COMMERCE GENERAL RULES OF PRACTICE IN PATENT CASES National Processing Provisions Design Patents § 1.152 Design drawings. The design must be represented by a drawing that complies with the requirements of §...

  17. 37 CFR 1.152 - Design drawings.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 37 Patents, Trademarks, and Copyrights 1 2011-07-01 2011-07-01 false Design drawings. 1.152... COMMERCE GENERAL RULES OF PRACTICE IN PATENT CASES National Processing Provisions Design Patents § 1.152 Design drawings. The design must be represented by a drawing that complies with the requirements of §...

  18. 19 CFR 152.103 - Transaction value.

    Code of Federal Regulations, 2014 CFR

    2014-04-01

    ... 19 Customs Duties 2 2014-04-01 2014-04-01 false Transaction value. 152.103 Section 152.103 Customs... value. (a) Price actually paid or payable—(1) General. In determining transaction value, the price.... purchaser and imposes no condition or limitation on the buyer. The customs value of the imported...

  19. 10 CFR 600.152 - Financial reporting.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... analysis of the documentation on hand. (iii) DOE shall determine the frequency of the Financial Status... requirements of 5 CFR part 1320. (3) Contracting officers are encouraged to shade out any line item on any... 10 Energy 4 2014-01-01 2014-01-01 false Financial reporting. 600.152 Section 600.152...

  20. 10 CFR 600.152 - Financial reporting.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... analysis of the documentation on hand. (iii) DOE shall determine the frequency of the Financial Status... requirements of 5 CFR part 1320. (3) Contracting officers are encouraged to shade out any line item on any... 10 Energy 4 2012-01-01 2012-01-01 false Financial reporting. 600.152 Section 600.152...

  1. 10 CFR 600.152 - Financial reporting.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... analysis of the documentation on hand. (iii) DOE shall determine the frequency of the Financial Status... requirements of 5 CFR part 1320. (3) Contracting officers are encouraged to shade out any line item on any... 10 Energy 4 2011-01-01 2011-01-01 false Financial reporting. 600.152 Section 600.152...

  2. 10 CFR 600.152 - Financial reporting.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... 10 Energy 4 2010-01-01 2010-01-01 false Financial reporting. 600.152 Section 600.152 Energy DEPARTMENT OF ENERGY (CONTINUED) ASSISTANCE REGULATIONS FINANCIAL ASSISTANCE RULES Uniform Administrative Requirements for Grants and Cooperative Agreements With Institutions of Higher Education, Hospitals, and Other Nonprofit Organizations...

  3. 10 CFR 600.152 - Financial reporting.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... analysis of the documentation on hand. (iii) DOE shall determine the frequency of the Financial Status... requirements of 5 CFR part 1320. (3) Contracting officers are encouraged to shade out any line item on any... 10 Energy 4 2013-01-01 2013-01-01 false Financial reporting. 600.152 Section 600.152...

  4. 20 CFR 655.152 - Advertising requirements.

    Code of Federal Regulations, 2011 CFR

    2011-04-01

    ... 20 Employees' Benefits 3 2011-04-01 2011-04-01 false Advertising requirements. 655.152 Section 655... Employment in the United States (H-2A Workers) Post-Acceptance Requirements § 655.152 Advertising requirements. All advertising conducted to satisfy the required recruitment activities under § 655.151...

  5. 20 CFR 655.152 - Advertising requirements.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... 20 Employees' Benefits 3 2010-04-01 2010-04-01 false Advertising requirements. 655.152 Section 655... Employment in the United States (H-2A Workers) Post-Acceptance Requirements § 655.152 Advertising requirements. All advertising conducted to satisfy the required recruitment activities under § 655.151...

  6. 21 CFR 133.152 - Limburger cheese.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... and held in storage for development of as much additional flavor as is desired. One or more of the... 21 Food and Drugs 2 2010-04-01 2010-04-01 false Limburger cheese. 133.152 Section 133.152 Food and Drugs FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) FOOD FOR...

  7. 21 CFR 133.152 - Limburger cheese.

    Code of Federal Regulations, 2011 CFR

    2011-04-01

    ... and held in storage for development of as much additional flavor as is desired. One or more of the... 21 Food and Drugs 2 2011-04-01 2011-04-01 false Limburger cheese. 133.152 Section 133.152 Food and Drugs FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) FOOD FOR...

  8. 42 CFR 460.152 - Enrollment process.

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ... 42 Public Health 4 2011-10-01 2011-10-01 false Enrollment process. 460.152 Section 460.152 Public Health CENTERS FOR MEDICARE & MEDICAID SERVICES, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) PROGRAMS OF ALL-INCLUSIVE CARE FOR THE ELDERLY (PACE) PROGRAMS OF ALL-INCLUSIVE CARE FOR THE ELDERLY (PACE) Participant Enrollment and...

  9. 40 CFR 152.164 - Classification procedures.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... CFR part 154. (c) Classification procedures. (1) If the Agency determines that a product or one or... Section 152.164 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PESTICIDE PROGRAMS PESTICIDE REGISTRATION AND CLASSIFICATION PROCEDURES Classification of Pesticides § 152.164...

  10. 40 CFR 93.152 - Definitions.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 40 Protection of Environment 21 2013-07-01 2013-07-01 false Definitions. 93.152 Section 93.152 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) AIR PROGRAMS (CONTINUED) DETERMINING CONFORMITY OF FEDERAL ACTIONS TO STATE OR FEDERAL IMPLEMENTATION PLANS Determining Conformity of General Federal Actions to State or...

  11. 42 CFR 415.152 - Definitions.

    Code of Federal Regulations, 2013 CFR

    2013-10-01

    ... 42 Public Health 3 2013-10-01 2013-10-01 false Definitions. 415.152 Section 415.152 Public Health CENTERS FOR MEDICARE & MEDICAID SERVICES, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) MEDICARE.... Nonprovider setting means a setting other than a hospital, skilled nursing facility, home health agency,...

  12. 10 CFR 60.152 - Implementation.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... 10 Energy 2 2014-01-01 2014-01-01 false Implementation. 60.152 Section 60.152 Energy NUCLEAR REGULATORY COMMISSION (CONTINUED) DISPOSAL OF HIGH-LEVEL RADIOACTIVE WASTES IN GEOLOGIC REPOSITORIES Quality... appendix B of 10 CFR part 50 as applicable, and appropriately supplemented by additional criteria...

  13. 10 CFR 60.152 - Implementation.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... 10 Energy 2 2012-01-01 2012-01-01 false Implementation. 60.152 Section 60.152 Energy NUCLEAR REGULATORY COMMISSION (CONTINUED) DISPOSAL OF HIGH-LEVEL RADIOACTIVE WASTES IN GEOLOGIC REPOSITORIES Quality... appendix B of 10 CFR part 50 as applicable, and appropriately supplemented by additional criteria...

  14. 10 CFR 60.152 - Implementation.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... 10 Energy 2 2010-01-01 2010-01-01 false Implementation. 60.152 Section 60.152 Energy NUCLEAR REGULATORY COMMISSION (CONTINUED) DISPOSAL OF HIGH-LEVEL RADIOACTIVE WASTES IN GEOLOGIC REPOSITORIES Quality... appendix B of 10 CFR part 50 as applicable, and appropriately supplemented by additional criteria...

  15. 10 CFR 60.152 - Implementation.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... 10 Energy 2 2011-01-01 2011-01-01 false Implementation. 60.152 Section 60.152 Energy NUCLEAR REGULATORY COMMISSION (CONTINUED) DISPOSAL OF HIGH-LEVEL RADIOACTIVE WASTES IN GEOLOGIC REPOSITORIES Quality... appendix B of 10 CFR part 50 as applicable, and appropriately supplemented by additional criteria...

  16. 10 CFR 60.152 - Implementation.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... 10 Energy 2 2013-01-01 2013-01-01 false Implementation. 60.152 Section 60.152 Energy NUCLEAR REGULATORY COMMISSION (CONTINUED) DISPOSAL OF HIGH-LEVEL RADIOACTIVE WASTES IN GEOLOGIC REPOSITORIES Quality... appendix B of 10 CFR part 50 as applicable, and appropriately supplemented by additional criteria...

  17. 40 CFR 152.85 - Formulators' exemption.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 40 Protection of Environment 24 2014-07-01 2014-07-01 false Formulators' exemption. 152.85 Section 152.85 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PESTICIDE PROGRAMS PESTICIDE REGISTRATION AND CLASSIFICATION PROCEDURES Satisfaction of Data Requirements and Protection...

  18. 40 CFR 152.81 - Applicability.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 40 Protection of Environment 24 2014-07-01 2014-07-01 false Applicability. 152.81 Section 152.81 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PESTICIDE PROGRAMS PESTICIDE REGISTRATION AND CLASSIFICATION PROCEDURES Satisfaction of Data Requirements and Protection of Data...

  19. 40 CFR 152.80 - General.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 40 Protection of Environment 24 2014-07-01 2014-07-01 false General. 152.80 Section 152.80 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PESTICIDE PROGRAMS PESTICIDE REGISTRATION AND CLASSIFICATION PROCEDURES Satisfaction of Data Requirements and Protection of Data...

  20. 40 CFR 51.152 - Contingency plans.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 40 Protection of Environment 2 2010-07-01 2010-07-01 false Contingency plans. 51.152 Section 51.152 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) AIR PROGRAMS REQUIREMENTS FOR PREPARATION, ADOPTION, AND SUBMITTAL OF IMPLEMENTATION PLANS Prevention of Air Pollution...

  1. 14 CFR 152.609 - Energy conservation practices.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ...2010-01-01 2010-01-01 false Energy conservation practices. 152.609 Section 152...AIRPORTS AIRPORT AID PROGRAM Energy Conservation in Airport Aid Program § 152.609 Energy conservation practices. Each sponsor shall...

  2. 14 CFR 152.609 - Energy conservation practices.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ...2013-01-01 2013-01-01 false Energy conservation practices. 152.609 Section 152...AIRPORTS AIRPORT AID PROGRAM Energy Conservation in Airport Aid Program § 152.609 Energy conservation practices. Each sponsor shall...

  3. 14 CFR 152.609 - Energy conservation practices.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ...2014-01-01 2014-01-01 false Energy conservation practices. 152.609 Section 152...AIRPORTS AIRPORT AID PROGRAM Energy Conservation in Airport Aid Program § 152.609 Energy conservation practices. Each sponsor shall...

  4. 14 CFR 152.609 - Energy conservation practices.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ...2011-01-01 2011-01-01 false Energy conservation practices. 152.609 Section 152...AIRPORTS AIRPORT AID PROGRAM Energy Conservation in Airport Aid Program § 152.609 Energy conservation practices. Each sponsor shall...

  5. 14 CFR 152.609 - Energy conservation practices.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ...2012-01-01 2012-01-01 false Energy conservation practices. 152.609 Section 152...AIRPORTS AIRPORT AID PROGRAM Energy Conservation in Airport Aid Program § 152.609 Energy conservation practices. Each sponsor shall...

  6. 40 CFR 152.96 - Documentation of a data gap.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ...2010-07-01 false Documentation of a data gap. 152.96 Section 152.96 Protection...PROCEDURES Procedures To Ensure Protection of Data Submitters' Rights § 152.96 Documentation of a data gap. Except as provided in...

  7. 19 CFR 152.25 - Conversion of foreign currency.

    Code of Federal Regulations, 2012 CFR

    2012-04-01

    ...2012-04-01 false Conversion of foreign currency. 152.25 Section 152.25 Customs Duties...Appraisement § 152.25 Conversion of foreign currency. When foreign currency must be converted for purposes of...

  8. 19 CFR 152.25 - Conversion of foreign currency.

    Code of Federal Regulations, 2014 CFR

    2014-04-01

    ...2014-04-01 false Conversion of foreign currency. 152.25 Section 152.25 Customs Duties...Appraisement § 152.25 Conversion of foreign currency. When foreign currency must be converted for purposes of...

  9. 19 CFR 152.25 - Conversion of foreign currency.

    Code of Federal Regulations, 2013 CFR

    2013-04-01

    ...2013-04-01 false Conversion of foreign currency. 152.25 Section 152.25 Customs Duties...Appraisement § 152.25 Conversion of foreign currency. When foreign currency must be converted for purposes of...

  10. 19 CFR 152.25 - Conversion of foreign currency.

    Code of Federal Regulations, 2011 CFR

    2011-04-01

    ...2011-04-01 false Conversion of foreign currency. 152.25 Section 152.25 Customs Duties...Appraisement § 152.25 Conversion of foreign currency. When foreign currency must be converted for purposes of...

  11. 19 CFR 152.25 - Conversion of foreign currency.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ...2010-04-01 false Conversion of foreign currency. 152.25 Section 152.25 Customs Duties...Appraisement § 152.25 Conversion of foreign currency. When foreign currency must be converted for purposes of...

  12. 28 CFR 115.152-115.153 - [Reserved

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ...115.152-115.153 Section 115.152-115.153 Judicial Administration DEPARTMENT OF JUSTICE (CONTINUED) PRISON RAPE ELIMINATION ACT NATIONAL STANDARDS Standards for Lockups Reporting §§ 115.152-115.153...

  13. 45 CFR 152.40 - Relation to State laws.

    Code of Federal Regulations, 2012 CFR

    2012-10-01

    ...2012-10-01 false Relation to State laws. 152.40 Section 152.40...Programs § 152.40 Relation to State laws. The standards established under this section shall supersede any State law or regulation, other than...

  14. 45 CFR 152.40 - Relation to State laws.

    Code of Federal Regulations, 2013 CFR

    2013-10-01

    ...2013-10-01 false Relation to State laws. 152.40 Section 152.40...Programs § 152.40 Relation to State laws. The standards established under this section shall supersede any State law or regulation, other than...

  15. 45 CFR 152.40 - Relation to State laws.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ...2010-10-01 false Relation to State laws. 152.40 Section 152.40...Programs § 152.40 Relation to State laws. The standards established under this section shall supersede any State law or regulation, other than...

  16. 45 CFR 152.40 - Relation to State laws.

    Code of Federal Regulations, 2014 CFR

    2014-10-01

    ...2014-10-01 false Relation to State laws. 152.40 Section 152.40...Programs § 152.40 Relation to State laws. The standards established under this section shall supersede any State law or regulation, other than...

  17. 45 CFR 152.40 - Relation to State laws.

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ...2011-10-01 false Relation to State laws. 152.40 Section 152.40...Programs § 152.40 Relation to State laws. The standards established under this section shall supersede any State law or regulation, other than...

  18. 17 CFR 201.152 - Filing of papers: Form.

    Code of Federal Regulations, 2014 CFR

    2014-04-01

    ...2014-04-01 2014-04-01 false Filing of papers: Form. 201.152 Section 201.152 ...Practice General Rules § 201.152 Filing of papers: Form. (a) Specifications. Papers filed in connection with any proceeding as...

  19. Erbium-implanted silica microsphere laser J. Kalkman a,*, A. Polman a

    E-print Network

    Polman, Albert

    Erbium-implanted silica microsphere laser J. Kalkman a,*, A. Polman a , T.J. Kippenberg b , K with erbium ions by ion implantation at energies of 925 keV and 2.05 MeV using a rotating stage. After thermal: 42.55.Sa; 42.60.Da; 42.81.Qb; 85.40.Ry Keywords: Microsphere; Laser; Erbium; Ion implantation 1

  20. Nuclear Data Sheets for A = 152

    SciTech Connect

    Martin, M.J.

    2013-11-15

    Detailed level schemes, decay schemes, and the experimental data on which they are based are presented for all nuclei with mass number A=152. The experimental data are evaluated; inconsistencies and discrepancies are noted; and adopted values for level and ?–ray energies, ? intensities, as well as for other nuclear properties are given. This evaluation replaces the A=152 evaluation published by Agda Artna–Cohen in Nuclear Data Sheets 79, 1 (1996) and the evaluation for 152Dy prepared by Balraj Singh and published in Nuclear Data Sheets 95, 995 (2002)

  1. Quantifying and controlling the magnetic dipole contribution to 1.5 $\\mu$m light emission in erbium-doped yttrium oxide

    E-print Network

    Li, Dongfang; Cueff, Sébastien; Dodson, Christopher M; Karaveli, Sinan; Zia, Rashid

    2014-01-01

    We experimentally quantify the contribution of magnetic dipole (MD) transitions to the near-infrared light emission from trivalent erbium-doped yttrium oxide (Er$^{3+}$:Y$_2$O$_3$). Using energy-momentum spectroscopy, we demonstrate that the $^4$I$_{13/2}{\\to}^4$I$_{15/2}$ emission near 1.5 $\\mu$m originates from nearly equal contributions of electric dipole (ED) and MD transitions that exhibit distinct emission spectra. We then show how these distinct spectra, together with the differing local density of optical states (LDOS) for ED and MD transitions, can be leveraged to control Er$^{3+}$ emission in structured environments. We demonstrate that far-field emission spectra can be tuned to resemble almost pure emission from either ED or MD transitions, and show that the observed spectral modifications can be accurately predicted from the measured ED and MD intrinsic emission rates.

  2. Low erosion behavior of polystyrene films under erbium ion implantation

    SciTech Connect

    Bhattacharya, M.; Sanyal, M.K.; Chini, T.K.; Chakraborty, P.

    2006-02-13

    Erbium ion implantation in polystyrene (PS) thin films has been performed with 40 and 60 keV ions to a dose range between 1x10{sup 14} and 1x10{sup 16} ions/cm{sup 2}. The x-ray reflectivity technique was applied to determine the ion-induced eroded layer thickness and interestingly, the erosion rate is found to decrease with increasing ion doses exhibiting simple power law behavior of the form {approx}(dose){sup -b}. We propose the formation of a carbonaceous network at the top surface, which seems to prevent further erosion of the polymer with increasing the duration of implantation time. These findings may open up a possibility of loading a large amount of erbium in a polymer matrix by the implantation technique to make it suitable for various optoelectronic applications.

  3. Adaptive dynamic FBG interrogation utilising erbium-doped fibre

    NASA Astrophysics Data System (ADS)

    John, R. N.; Read, I.; MacPherson, W. N.

    2013-04-01

    A dynamic fibre Bragg grating interrogation scheme is investigated using two-wave mixing in erbium-doped fibre, capable of adapting to quasistatic strain and temperature drifts. An interference pattern set up in the erbium-doped fibre creates, due to the photorefractive effect, a dynamic grating capable of wavelength demodulating the FBG signal. The presence of a dynamic grating was verified and then dynamic strain signals from a fibre stretcher were measured. The adaptive nature of the technique was successfully demonstrated by heating the FBG while it underwent dynamic straining leading to detection unlike an alternative arrayed waveguide grating system which simultaneously failed detection. Two gratings were then wavelength division multiplexed with the signal grating receiving approximately 30dB greater signal showing that there was little cross talk in the system.

  4. Urbach absorption edge in epitaxial erbium-doped silicon

    SciTech Connect

    Shmagin, V. B. Kudryavtsev, K. E.; Shengurov, D. V.; Krasilnik, Z. F.

    2015-02-07

    We investigate the dependencies of the photocurrent in Si:Er p-n junctions on the energy of the incident photons. The exponential absorption edge (Urbach edge) just below fundamental edge of silicon was observed in the absorption spectra of epitaxial Si:Er layers grown at 400–600?C. It is shown that the introduction of erbium significantly enhances the structural disorder in the silicon crystal which was estimated from the slope of the Urbach edge. We discuss the possible nature of the structural disorder in Si:Er and a new mechanism of erbium excitation, which does not require the presence of deep levels in the band gap of silicon.

  5. 14 CFR 152.413 - Notice requirement.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    14 Aeronautics and Space 3 2012-01-01 2012-01-01... Section 152.413 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT...that no person shall, on the grounds of race, creed, color, national origin,...

  6. 14 CFR 152.405 - Assurances.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    14 Aeronautics and Space 3 2010-01-01 2010-01-01... Section 152.405 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT...that no person shall, on the grounds of race, creed, color, national...

  7. 14 CFR 152.413 - Notice requirement.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    14 Aeronautics and Space 3 2013-01-01 2013-01-01... Section 152.413 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT...that no person shall, on the grounds of race, creed, color, national origin,...

  8. 14 CFR 152.401 - Applicability.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    14 Aeronautics and Space 3 2011-01-01 2011-01-01... Section 152.401 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT...that no person shall, on the grounds of race, creed, color, national...

  9. 14 CFR 152.401 - Applicability.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    14 Aeronautics and Space 3 2010-01-01 2010-01-01... Section 152.401 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT...that no person shall, on the grounds of race, creed, color, national...

  10. 14 CFR 152.405 - Assurances.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    14 Aeronautics and Space 3 2011-01-01 2011-01-01... Section 152.405 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT...that no person shall, on the grounds of race, creed, color, national...

  11. 14 CFR 152.405 - Assurances.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    14 Aeronautics and Space 3 2014-01-01 2014-01-01... Section 152.405 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT...that no person shall, on the grounds of race, creed, color, national...

  12. 14 CFR 152.413 - Notice requirement.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    14 Aeronautics and Space 3 2010-01-01 2010-01-01... Section 152.413 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT...that no person shall, on the grounds of race, creed, color, national origin,...

  13. 14 CFR 152.413 - Notice requirement.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    14 Aeronautics and Space 3 2011-01-01 2011-01-01... Section 152.413 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT...that no person shall, on the grounds of race, creed, color, national origin,...

  14. 14 CFR 152.401 - Applicability.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    14 Aeronautics and Space 3 2012-01-01 2012-01-01... Section 152.401 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT...that no person shall, on the grounds of race, creed, color, national...

  15. 14 CFR 152.405 - Assurances.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    14 Aeronautics and Space 3 2013-01-01 2013-01-01... Section 152.405 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT...that no person shall, on the grounds of race, creed, color, national...

  16. 14 CFR 152.401 - Applicability.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    14 Aeronautics and Space 3 2013-01-01 2013-01-01... Section 152.401 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT...that no person shall, on the grounds of race, creed, color, national...

  17. 14 CFR 152.401 - Applicability.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    14 Aeronautics and Space 3 2014-01-01 2014-01-01... Section 152.401 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT...that no person shall, on the grounds of race, creed, color, national...

  18. 14 CFR 152.405 - Assurances.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    14 Aeronautics and Space 3 2012-01-01 2012-01-01... Section 152.405 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT...that no person shall, on the grounds of race, creed, color, national...

  19. 14 CFR 152.413 - Notice requirement.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    14 Aeronautics and Space 3 2014-01-01 2014-01-01... Section 152.413 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT...that no person shall, on the grounds of race, creed, color, national origin,...

  20. 40 CFR 82.152 - Definitions.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... PROTECTION OF STRATOSPHERIC OZONE Recycling and Emissions Reduction § 82.152... Certified refrigerant recovery or recycling equipment means equipment manufactured...between hoses, appliances, or recovery or recycling machines and that is designed to...

  1. 40 CFR 82.152 - Definitions.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... PROTECTION OF STRATOSPHERIC OZONE Recycling and Emissions Reduction § 82.152... Certified refrigerant recovery or recycling equipment means equipment manufactured...between hoses, appliances, or recovery or recycling machines and that is designed to...

  2. 40 CFR 82.152 - Definitions.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... PROTECTION OF STRATOSPHERIC OZONE Recycling and Emissions Reduction § 82.152... Certified refrigerant recovery or recycling equipment means equipment manufactured...between hoses, appliances, or recovery or recycling machines and that is designed to...

  3. 41 CFR 128-1.152 - Citation.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... cited in accordance with the Federal Register standards applicable to the FPMR. Accordingly, when this section is referred to formally in official documents, it should be cited as “41 CFR 128-1.152.” When...

  4. 29 CFR 2570.152 - Definitions.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... PROCEDURAL REGULATIONS UNDER THE EMPLOYEE RETIREMENT INCOME SECURITY ACT Procedures for Issuance of Findings Under ERISA Sec. 3(40) § 2570.152 Definitions. For section 3(40) Finding Proceedings, this section shall apply instead of...

  5. 29 CFR 2570.152 - Definitions.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... PROCEDURAL REGULATIONS UNDER THE EMPLOYEE RETIREMENT INCOME SECURITY ACT Procedures for Issuance of Findings Under ERISA Sec. 3(40) § 2570.152 Definitions. For section 3(40) Finding Proceedings, this section shall apply instead of...

  6. 29 CFR 2570.152 - Definitions.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... PROCEDURAL REGULATIONS UNDER THE EMPLOYEE RETIREMENT INCOME SECURITY ACT Procedures for Issuance of Findings Under ERISA Sec. 3(40) § 2570.152 Definitions. For section 3(40) Finding Proceedings, this section shall apply instead of...

  7. 29 CFR 2570.152 - Definitions.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... PROCEDURAL REGULATIONS UNDER THE EMPLOYEE RETIREMENT INCOME SECURITY ACT Procedures for Issuance of Findings Under ERISA Sec. 3(40) § 2570.152 Definitions. For section 3(40) Finding Proceedings, this section shall apply instead of...

  8. 29 CFR 2570.152 - Definitions.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... PROCEDURAL REGULATIONS UNDER THE EMPLOYEE RETIREMENT INCOME SECURITY ACT Procedures for Issuance of Findings Under ERISA Sec. 3(40) § 2570.152 Definitions. For section 3(40) Finding Proceedings, this section shall apply instead of...

  9. 40 CFR 141.152 - Effective dates.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    40 Protection of Environment 22 2010-07-01...152 Protection of Environment ENVIRONMENTAL PROTECTION...DRINKING WATER REGULATIONS Consumer Confidence Reports ...this subpart shall take effect on September 18,...

  10. 40 CFR 152.160 - Scope.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PESTICIDE PROGRAMS PESTICIDE REGISTRATION AND CLASSIFICATION PROCEDURES Classification of Pesticides § 152.160 Scope. (a) Types of classification. A pesticide product may be unclassified, or it may be classified for restricted use or...

  11. 40 CFR 152.161 - Definitions.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PESTICIDE PROGRAMS PESTICIDE REGISTRATION AND CLASSIFICATION PROCEDURES Classification of Pesticides § 152.161 Definitions. In addition to... use means any pesticide application that occurs outside enclosed manmade structures or...

  12. 50 CFR 20.152 - Definitions.

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ...BARTER, EXPORTATION, AND IMPORTATION OF WILDLIFE AND PLANTS (CONTINUED) MIGRATORY BIRD HUNTING Special Procedures for Issuance of Annual Hunting Regulations § 20.152 Definitions. As used in this subpart N: (a) Flyway...

  13. 50 CFR 20.152 - Definitions.

    Code of Federal Regulations, 2012 CFR

    2012-10-01

    ...BARTER, EXPORTATION, AND IMPORTATION OF WILDLIFE AND PLANTS (CONTINUED) MIGRATORY BIRD HUNTING Special Procedures for Issuance of Annual Hunting Regulations § 20.152 Definitions. As used in this subpart N: (a) Flyway...

  14. 50 CFR 20.152 - Definitions.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ...BARTER, EXPORTATION, AND IMPORTATION OF WILDLIFE AND PLANTS (CONTINUED) MIGRATORY BIRD HUNTING Special Procedures for Issuance of Annual Hunting Regulations § 20.152 Definitions. As used in this subpart N: (a) Flyway...

  15. 50 CFR 20.152 - Definitions.

    Code of Federal Regulations, 2013 CFR

    2013-10-01

    ...BARTER, EXPORTATION, AND IMPORTATION OF WILDLIFE AND PLANTS (CONTINUED) MIGRATORY BIRD HUNTING Special Procedures for Issuance of Annual Hunting Regulations § 20.152 Definitions. As used in this subpart N: (a) Flyway...

  16. 50 CFR 20.152 - Definitions.

    Code of Federal Regulations, 2014 CFR

    2014-10-01

    ...BARTER, EXPORTATION, AND IMPORTATION OF WILDLIFE AND PLANTS (CONTINUED) MIGRATORY BIRD HUNTING Special Procedures for Issuance of Annual Hunting Regulations § 20.152 Definitions. As used in this subpart N: (a) Flyway...

  17. 40 CFR 82.152 - Definitions.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... PROTECTION OF STRATOSPHERIC OZONE Recycling and Emissions Reduction § 82.152... Certified refrigerant recovery or recycling equipment means equipment manufactured...between hoses, appliances, or recovery or recycling machines and that is designed to...

  18. 40 CFR 82.152 - Definitions.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... PROTECTION OF STRATOSPHERIC OZONE Recycling and Emissions Reduction § 82.152... Certified refrigerant recovery or recycling equipment means equipment manufactured...between hoses, appliances, or recovery or recycling machines and that is designed to...

  19. 44 CFR 152.9 - Reconsideration.

    Code of Federal Regulations, 2014 CFR

    2014-10-01

    ... HOMELAND SECURITY FIRE PREVENTION AND CONTROL ASSISTANCE TO FIREFIGHTERS GRANT PROGRAM § 152.9... Firefighters Grant Program, FEMA, 800 K Street, NW., South Tower 5th Floor, Washington, DC 20001....

  20. 44 CFR 152.9 - Reconsideration.

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ... HOMELAND SECURITY FIRE PREVENTION AND CONTROL ASSISTANCE TO FIREFIGHTERS GRANT PROGRAM § 152.9... Firefighters Grant Program, FEMA, 800 K Street, NW., South Tower 5th Floor, Washington, DC 20001....

  1. 44 CFR 152.9 - Reconsideration.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ... HOMELAND SECURITY FIRE PREVENTION AND CONTROL ASSISTANCE TO FIREFIGHTERS GRANT PROGRAM § 152.9... Firefighters Grant Program, FEMA, 800 K Street, NW., South Tower 5th Floor, Washington, DC 20001....

  2. 44 CFR 152.9 - Reconsideration.

    Code of Federal Regulations, 2013 CFR

    2013-10-01

    ... HOMELAND SECURITY FIRE PREVENTION AND CONTROL ASSISTANCE TO FIREFIGHTERS GRANT PROGRAM § 152.9... Firefighters Grant Program, FEMA, 800 K Street, NW., South Tower 5th Floor, Washington, DC 20001....

  3. 14 CFR 152.5 - Exemptions.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ...DEPARTMENT OF TRANSPORTATION (CONTINUED) AIRPORTS AIRPORT AID PROGRAM General § 152.5 Exemptions. (a) Except...grants or denies the exemption and notifies the petitioner of the decision. The FAA publishes a summary of the grant or denial of...

  4. 14 CFR 152.5 - Exemptions.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ...DEPARTMENT OF TRANSPORTATION (CONTINUED) AIRPORTS AIRPORT AID PROGRAM General § 152.5 Exemptions. (a) Except...grants or denies the exemption and notifies the petitioner of the decision. The FAA publishes a summary of the grant or denial of...

  5. 14 CFR 152.5 - Exemptions.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ...DEPARTMENT OF TRANSPORTATION (CONTINUED) AIRPORTS AIRPORT AID PROGRAM General § 152.5 Exemptions. (a) Except...grants or denies the exemption and notifies the petitioner of the decision. The FAA publishes a summary of the grant or denial of...

  6. 14 CFR 152.5 - Exemptions.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ...DEPARTMENT OF TRANSPORTATION (CONTINUED) AIRPORTS AIRPORT AID PROGRAM General § 152.5 Exemptions. (a) Except...grants or denies the exemption and notifies the petitioner of the decision. The FAA publishes a summary of the grant or denial of...

  7. 14 CFR 152.5 - Exemptions.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ...DEPARTMENT OF TRANSPORTATION (CONTINUED) AIRPORTS AIRPORT AID PROGRAM General § 152.5 Exemptions. (a) Except...grants or denies the exemption and notifies the petitioner of the decision. The FAA publishes a summary of the grant or denial of...

  8. Method for measuring deuterium in erbium deuteride films

    SciTech Connect

    Brangan, J.R.; Thornberg, S.M.; Keenan, M.R.

    1997-09-01

    Determining the quantity of deuterium in an erbium deuteride (ErD{sub 2}) film is essential for assessing the quality of the hydriding process but is a challenging measurement to make. First, the ideal gas law cannot be applied directly due to high temperature (950{degrees}C) and low temperature (25{degrees}C) regions in the same manifold. Additionally, the metal hydride does not release all of the deuterium rapidly upon heating and metal evaporation occurs during extended heating periods. Therefore, the method developed must provide a means to compensate for temperature inhomogeneities and the amount of deuterium retained in the metal film while heating for a minimal duration. This paper presents two thermal desorption methods used to evaluate the kinetics and equilibria of the deuterium desorption process at high temperatures (950{degrees}C). Of primary concern is the evaluation of the quantity of deuterium remaining in these films at the high temperature. A multiple volume expansion technique provided insight into the kinetics of the deuterium evolution and metal evaporation from the film. Finally a repeated pump-down approach yielded data that indicated approximately 10% of the deuterium is retained in the metal film at 950{degrees}C and approximately 1 Torr pressure. When the total moles of deuterium determined by this method were divided by the moles of erbium determined by ICP/AES, nearly stochiometric values of 2:1 were obtained for several erbium dideuteride films. Although this work presents data for erbium and deuterium, these methods are applicable to other metal hydrides as well.

  9. Laser isotope separation of erbium and other isotopes

    DOEpatents

    Haynam, C.A.; Worden, E.F.

    1995-08-22

    Laser isotope separation is accomplished using at least two photoionization pathways of an isotope simultaneously, where each pathway comprises two or more transition steps. This separation method has been applied to the selective photoionization of erbium isotopes, particularly for the enrichment of {sup 167}Er. The hyperfine structure of {sup 167}Er was used to find two three-step photoionization pathways having a common upper energy level. 3 figs.

  10. Laser isotope separation of erbium and other isotopes

    DOEpatents

    Haynam, Christopher A. (3035 Ferdale Ct., Pleasanton, CA 94566); Worden, Earl F. (117 Vereda del Ciervo, Diablo, CA 94528)

    1995-01-01

    Laser isotope separation is accomplished using at least two photoionization pathways of an isotope simultaneously, where each pathway comprises two or more transition steps. This separation method has been applied to the selective photoionization of erbium isotopes, particularly for the enrichment of .sup.167 Er. The hyperfine structure of .sup.167 Er was used to find two three-step photoionization pathways having a common upper energy level.

  11. Microscopic structure and energy transfer of vacancy-related defect pairs with Erbium in wide-gap semiconductors

    E-print Network

    Schmidt, Wolf Gero

    Microscopic structure and energy transfer of vacancy-related defect pairs with Erbium in wide Available online 12 February 2011 Keywords: Erbium SiC GaN EPR a b s t r a c t Electron Paramagnetic Resonance (EPR) measurements of Erbium-doped 6H­SiC and wurtzite GaN sam- ples are compared to total energy

  12. Abstract--A novel multiwavelength erbium-doped fiber laser (EDFL) based on two comb filters is proposed and

    E-print Network

    Wai, Ping-kong Alexander

    Abstract-- A novel multiwavelength erbium-doped fiber laser (EDFL) based on two comb filters broadening of the erbium-doped fiber (EDF). As a result, triple-wavelength lasing operation with wavelengthB. I. INTRODUCTION Multiwavelength erbium-doped fiber lasers (EDFLs) are useful light sources for WDM

  13. 756 IEEE PHOTONICS TECHNOLOGY LETTERS, VOL. 17, NO. 4, APRIL 2005 Multiwavelength Erbium-Doped Fiber Ring Laser

    E-print Network

    Yao, Jianping

    756 IEEE PHOTONICS TECHNOLOGY LETTERS, VOL. 17, NO. 4, APRIL 2005 Multiwavelength Erbium, Zhichao Deng, and Jian Liu, Member, IEEE Abstract--A novel room-temperature multiwavelength erbium- doped and wavelength spacing as small as 0.19 nm is demonstrated at room temperature. Index Terms--Erbium-doped fiber

  14. Eects of heat treatment and concentration on the luminescence properties of erbium-doped silica solgel lms

    E-print Network

    Polman, Albert

    Eects of heat treatment and concentration on the luminescence properties of erbium-doped silica sol; received in revised form 20 August 2001 Abstract Erbium-doped sol±gel ®lms with dierent Er concentrations were formed by spin-coating a solution of erbium-ni- trate, tetra-ethoxy-silane (TEOS), ethanol, water

  15. March 1, 1999 / Vol. 24, No. 5 / OPTICS LETTERS 279 Passive erbium-doped fiber seed photon generator

    E-print Network

    Park, Namkyoo

    March 1, 1999 / Vol. 24, No. 5 / OPTICS LETTERS 279 Passive erbium-doped fiber seed photon is suggested for a high-power erbium-doped fiber (EDF) broadband source. A considerable increase in output (ASE) from an erbium- doped fiber (EDF) have been considered to be one of the optimum candidates

  16. C-and L-band erbium-doped waveguide lasers with wafer-scale silicon nitride cavities

    E-print Network

    Reif, Rafael

    C- and L-band erbium-doped waveguide lasers with wafer-scale silicon nitride cavities Purnawirman,1; posted April 22, 2013 (Doc. ID 187023); published May 20, 2013 We report on integrated erbium and a top erbium-doped aluminum oxide layer deposited as the final step in the fabrication process

  17. 1088 IEEE PHOTONICS TECHNOLOGY LETTERS, VOL. 18, NO. 9, MAY 1, 2006 Switchable Multiwavelength Erbium-Doped Fiber

    E-print Network

    Wai, Ping-kong Alexander

    Erbium-Doped Fiber Laser With a Multimode Fiber Bragg Grating and Photonic Crystal Fiber Xinhuan Feng, a simple switchable multiwavelength erbium-doped fiber laser is proposed and demonstrated. The wavelengths or wavelength switching modes by varying the states of polarizations of the laser cavity. Index Terms--Erbium

  18. January 1, 1997 / Vol. 22, No. 1 / OPTICS LETTERS 13 Frequency doubling of femtosecond erbium-fiber soliton lasers

    E-print Network

    Fejer, Martin M.

    January 1, 1997 / Vol. 22, No. 1 / OPTICS LETTERS 13 Frequency doubling of femtosecond erbium efficient frequency doubling of passively mode-locked femtosecond erbium-fiber lasers. Quasi- phase Diode-pumped passively mode-locked erbium-doped- fiber lasers (EDFL's) are compact and flexible sources

  19. 790 IEEE PHOTONICS TECHNOLOGY LETTERS, VOL. 10, NO. 6, JUNE 1998 Actively Gain-Flattened Erbium-Doped

    E-print Network

    Park, Namkyoo

    790 IEEE PHOTONICS TECHNOLOGY LETTERS, VOL. 10, NO. 6, JUNE 1998 Actively Gain-Flattened Erbium-flattened erbium- doped fiber amplifier (EDFA) using an all-fiber gain-flattening filter with electronically-- Erbium materials/devices, optical fiber ampli- fiers, optical fiber communication, optical fiber filters

  20. Strong exciton-erbium coupling in Si nanocrystal-doped SiO2 P. G. Kik,a)

    E-print Network

    Polman, Albert

    Strong exciton-erbium coupling in Si nanocrystal-doped SiO2 P. G. Kik,a) M. L. Brongersma,b) and A excited Er ion in its vicinity. © 2000 American Institute of Physics. S0003-6951 00 03517-8 Erbium in this model erbium adds a nonradiative decay path for exciton recombination, which should lower

  1. All-optical clock recovery using erbium-doped fiber ring laser incorporating an electro-absorption

    E-print Network

    Wai, Ping-kong Alexander

    All-optical clock recovery using erbium-doped fiber ring laser incorporating an electro, Hung Hom, Hong Kong Abstract We demonstrated 10-GHz all-optical clock recovery using an erbium-optical clock recovery which composes of an EAM, an LOA, a 12 meter long erbium-doped fiber, a bandpass filter

  2. Generation of high peak power pulse using 2 stage erbium-doped fiber amplifier 

    E-print Network

    Lee, Kyung-Woo

    2000-01-01

    This thesis presents the results obtained from generation of high repetition rate, high power output pulse using an erbium-doped fiber amplifier (EDFA). Two stage amplification was employed. The first stage setup used 980nm pump laser to pump erbium...

  3. Controlled modification of erbium lifetime in silicon dioxide with metallic Jiming Bao,a

    E-print Network

    Bao, Jiming

    energies. © 2007 American Institute of Physics. DOI: 10.1063/1.2785134 Erbium is a rare-earth elementControlled modification of erbium lifetime in silicon dioxide with metallic overlayers Jiming Bao energies in SiO2 films coated with different metals titanium and chromium . The lifetime shows a strong

  4. High-performace cladding-pumped erbium-doped fibre laser and amplifier

    SciTech Connect

    Kotov, L V; Likhachev, M E; Bubnov, M M; Medvedkov, O I; Lipatov, D S; Vechkanov, N N; Guryanov, Aleksei N

    2012-05-31

    We report cladding-pumped erbium-doped fibre laser and amplifier configurations. Through fibre design optimisation, we have achieved a record-high laser slope efficiency, 40 % with respect to absorbed pump power ({lambda} = 976 nm), and an output power of 7.5 W. The erbium-doped fibre amplifier efficiency reaches 32 %.

  5. Neutron Total Cross-Section Measurements and Resonance Parameter Analysis of Holmium, Thulium, and Erbium

    E-print Network

    Danon, Yaron

    transmission measurements of rare earth metal samples of holmium, erbium, and thulium and isotopically enriched made with the ETT were a series of transmission measurements on the rare earth isotopes thulium, erbium-term burnup calculations. The rare earth isotopes have a partially filled 4f elec- tron shell that causes

  6. Femtosecond soliton collapse and coherent pulse train generation in erbium-doped fiber amplifiers

    E-print Network

    Gabitov, Ildar

    Femtosecond soliton collapse and coherent pulse train generation in erbium-doped fiber amplifiers 1 collapse and pulse train generation in erbium-doped fiber amplifiers is examined. The amplification of ultrashort pulses in laser amplifi- ers is a well established field of physics and technology.' Nevertheless

  7. Single-Longitudinal-Mode Lanthanum-Codoped Bismuth-Based Erbium Doped Fiber Ring Laser

    E-print Network

    Wai, Ping-kong Alexander

    Single-Longitudinal-Mode Lanthanum-Codoped Bismuth-Based Erbium Doped Fiber Ring Laser K. K and demonstrate a stable single-longitudinal-mode lanthanum-codoped bismuth oxide- based erbium doped fiber ring of the experimental setup to demonstrate the proposed SLM La-codoped bismuth based EDF ring laser. The fiber laser

  8. Tunable silicon-based light sources using erbium doped liquid crystals S. M. Weissa

    E-print Network

    Weiss, Sharon

    Tunable silicon-based light sources using erbium doped liquid crystals S. M. Weissa Department 2007 Tunable emission in the near infrared is demonstrated on a silicon platform. The building blocks for the tunable light sources consist of porous silicon microcavities infiltrated with erbium doped nematic liquid

  9. Sub-Doppler laser cooling and magnetic trapping of erbium

    E-print Network

    Andrew J. Berglund; Siu Au Lee; Jabez J. McClelland

    2008-02-06

    We investigate cooling mechanisms in magneto-optically and magnetically trapped erbium. We find efficient sub-Doppler cooling in our trap, which can persist even in large magnetic fields due to the near degeneracy of two Lande g factors. Furthermore, a continuously loaded magnetic trap is demonstrated where we observe temperatures below 25 microkelvin. These favorable cooling and trapping properties suggest a number of scientific possibilities for rare-earth atomic physics, including narrow linewidth laser cooling and spectroscopy, unique collision studies, and degenerate bosonic and fermionic gases with long-range magnetic dipole coupling.

  10. Erbium-doped fiber amplifier elements for structural analysis sensors

    NASA Technical Reports Server (NTRS)

    Hanna-Hawver, P.; Kamdar, K. D.; Mehta, S.; Nagarajan, S.; Nasta, M. H.; Claus, R. O.

    1992-01-01

    The use of erbium-doped fiber amplifiers (EDFA's) in optical fiber sensor systems for structural analysis is described. EDFA's were developed for primary applications as periodic regenerator amplifiers in long-distance fiber-based communication systems. Their in-line amplification performance also makes them attractive for optical fiber sensor systems which require long effective lengths or the synthesis of special length-dependent signal processing functions. Sensor geometries incorporating EDFA's in recirculating and multiple loop sensors are discussed. Noise and polarization birefringence are also considered, and the experimental development of system components is discussed.

  11. 40 CFR 152.168 - Advertising of restricted use products.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ...2014-07-01 2014-07-01 false Advertising of restricted use products. 152...Classification of Pesticides § 152.168 Advertising of restricted use products. ...radio and television. (4) Telephone advertising. (5) Billboards and...

  12. 40 CFR 152.168 - Advertising of restricted use products.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ...2013-07-01 2013-07-01 false Advertising of restricted use products. 152...Classification of Pesticides § 152.168 Advertising of restricted use products. ...radio and television. (4) Telephone advertising. (5) Billboards and...

  13. 40 CFR 152.168 - Advertising of restricted use products.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ...2010-07-01 2010-07-01 false Advertising of restricted use products. 152...Classification of Pesticides § 152.168 Advertising of restricted use products. ...radio and television. (4) Telephone advertising. (5) Billboards and...

  14. 40 CFR 152.168 - Advertising of restricted use products.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ...2011-07-01 2011-07-01 false Advertising of restricted use products. 152...Classification of Pesticides § 152.168 Advertising of restricted use products. ...radio and television. (4) Telephone advertising. (5) Billboards and...

  15. 40 CFR 152.168 - Advertising of restricted use products.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ...2012-07-01 2012-07-01 false Advertising of restricted use products. 152...Classification of Pesticides § 152.168 Advertising of restricted use products. ...radio and television. (4) Telephone advertising. (5) Billboards and...

  16. 14 CFR 152.421 - Public accommodations, services, and benefits.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ...2010-01-01 false Public accommodations, services, and benefits. 152...Program § 152.421 Public accommodations, services, and benefits. ...to the provision of public accommodations, services, and other...

  17. 14 CFR 152.421 - Public accommodations, services, and benefits.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ...2011-01-01 false Public accommodations, services, and benefits. 152...Program § 152.421 Public accommodations, services, and benefits. ...to the provision of public accommodations, services, and other...

  18. 21 CFR 146.152 - Orange juice with preservative.

    Code of Federal Regulations, 2011 CFR

    2011-04-01

    ...2011-04-01 2011-04-01 false Orange juice with preservative. 146.152 Section...FOOD FOR HUMAN CONSUMPTION CANNED FRUIT JUICES Requirements for Specific Standardized Canned Fruit Juices and Beverages § 146.152 Orange...

  19. 21 CFR 146.152 - Orange juice with preservative.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ...2010-04-01 2010-04-01 false Orange juice with preservative. 146.152 Section...FOOD FOR HUMAN CONSUMPTION CANNED FRUIT JUICES Requirements for Specific Standardized Canned Fruit Juices and Beverages § 146.152 Orange...

  20. 30 CFR 1206.152 - Valuation standards-unprocessed gas.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... Interior, 43 CFR part 2. ... 30 Mineral Resources 3 2011-07-01 2011-07-01 false Valuation standards-unprocessed gas. 1206.152... INTERIOR Natural Resources Revenue PRODUCT VALUATION Federal Gas § 1206.152 Valuation...

  1. Enhanced light emission in photonic crystal nanocavities with Erbium-doped silicon nanocrystals

    SciTech Connect

    Makarova, Maria; Sih, Vanessa; Vuckovic, Jelena; Warga, Joe; Li Rui; Dal Negro, Luca

    2008-04-21

    Photonic crystal nanocavities are fabricated in silicon membranes covered by thermally annealed silicon-rich nitride films with Erbium-doped silicon nanocrystals. Silicon nitride films were deposited by sputtering on top of silicon on insulator wafers. The nanocavities were carefully designed in order to enhance emission from the nanocrystal sensitized Erbium at the 1540 nm wavelength. Experimentally measured quality factors of {approx}6000 were found to be consistent theoretical predictions. The Purcell factor of 1.4 was estimated from the observed 20-fold enhancement of Erbium luminescence.

  2. Environmental Management ISSN 0364-152X

    E-print Network

    North, Malcolm

    wetness and solar radiation. We assess the predictive value and field applicability of LMUs by using1 23 Environmental Management ISSN 0364-152X Volume 46 Number 5 Environmental Management (2010) 46 management practices, fire suppres- sion, and climate change are increasing the need to actively manage

  3. 40 CFR 152.132 - Supplemental distribution.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 40 Protection of Environment 24 2011-07-01 2011-07-01 false Supplemental distribution. 152.132... Supplemental distribution. The registrant may distribute or sell his registered product under another person's name and address instead of (or in addition to) his own. Such distribution and sale is...

  4. 40 CFR 152.132 - Supplemental distribution.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 40 Protection of Environment 23 2010-07-01 2010-07-01 false Supplemental distribution. 152.132... Supplemental distribution. The registrant may distribute or sell his registered product under another person's name and address instead of (or in addition to) his own. Such distribution and sale is...

  5. Physics 152 Laboratory Manual, 8th Edition.

    ERIC Educational Resources Information Center

    MacIssac, Dan; And Others

    This document is the laboratory manual for the Physics 152 course at Purdue University. It includes a laboratory introduction, hardware and software guide, and laboratory report guide. Labs include: (1) "Measurement Uncertainty and Propagation"; (2) "Introduction to Computer Data Acquisition and Relationships between Position, Velocity, and…

  6. 19 CFR 122.152 - Application.

    Code of Federal Regulations, 2014 CFR

    2014-04-01

    ...THE TREASURY AIR COMMERCE REGULATIONS Flights to and From Cuba § 122.152 Application. This subpart applies to all aircraft entering or departing the U.S. to or from Cuba except public aircraft. [T.D. 88-12, 53 FR 9292,...

  7. 19 CFR 122.152 - Application.

    Code of Federal Regulations, 2011 CFR

    2011-04-01

    ...THE TREASURY AIR COMMERCE REGULATIONS Flights to and From Cuba § 122.152 Application. This subpart applies to all aircraft entering or departing the U.S. to or from Cuba except public aircraft. [T.D. 88-12, 53 FR 9292,...

  8. 19 CFR 122.152 - Application.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ...THE TREASURY AIR COMMERCE REGULATIONS Flights to and From Cuba § 122.152 Application. This subpart applies to all aircraft entering or departing the U.S. to or from Cuba except public aircraft. [T.D. 88-12, 53 FR 9292,...

  9. 19 CFR 122.152 - Application.

    Code of Federal Regulations, 2012 CFR

    2012-04-01

    ...THE TREASURY AIR COMMERCE REGULATIONS Flights to and From Cuba § 122.152 Application. This subpart applies to all aircraft entering or departing the U.S. to or from Cuba except public aircraft. [T.D. 88-12, 53 FR 9292,...

  10. 19 CFR 122.152 - Application.

    Code of Federal Regulations, 2013 CFR

    2013-04-01

    ...THE TREASURY AIR COMMERCE REGULATIONS Flights to and From Cuba § 122.152 Application. This subpart applies to all aircraft entering or departing the U.S. to or from Cuba except public aircraft. [T.D. 88-12, 53 FR 9292,...

  11. 7 CFR 932.152 - Outgoing regulations.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... Agreements and Orders; Fruits, Vegetables, Nuts), DEPARTMENT OF AGRICULTURE OLIVES GROWN IN CALIFORNIA Rules and Regulations § 932.152 Outgoing regulations. (a) Inspection stations. Processed olives shall be sampled and inspected only at an inspection station which shall be any olive processing plant...

  12. 7 CFR 932.152 - Outgoing regulations.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... Agreements and Orders; Fruits, Vegetables, Nuts), DEPARTMENT OF AGRICULTURE OLIVES GROWN IN CALIFORNIA Rules and Regulations § 932.152 Outgoing regulations. (a) Inspection stations. Processed olives shall be sampled and inspected only at an inspection station which shall be any olive processing plant...

  13. 7 CFR 932.152 - Outgoing regulations.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... AGREEMENTS AND ORDERS; FRUITS, VEGETABLES, NUTS), DEPARTMENT OF AGRICULTURE OLIVES GROWN IN CALIFORNIA Rules and Regulations § 932.152 Outgoing regulations. (a) Inspection stations. Processed olives shall be sampled and inspected only at an inspection station which shall be any olive processing plant...

  14. 7 CFR 932.152 - Outgoing regulations.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... Agreements and Orders; Fruits, Vegetables, Nuts), DEPARTMENT OF AGRICULTURE OLIVES GROWN IN CALIFORNIA Rules and Regulations § 932.152 Outgoing regulations. (a) Inspection stations. Processed olives shall be sampled and inspected only at an inspection station which shall be any olive processing plant...

  15. 44 CFR 152.2 - Definitions.

    Code of Federal Regulations, 2014 CFR

    2014-10-01

    ... SECURITY FIRE PREVENTION AND CONTROL ASSISTANCE TO FIREFIGHTERS GRANT PROGRAM § 152.2 Definitions. Active firefighter is a member of a fire department or organization in good standing that is qualified to respond to... or organization in which all active firefighters are considered full-time employees, are...

  16. 44 CFR 152.2 - Definitions.

    Code of Federal Regulations, 2013 CFR

    2013-10-01

    ... SECURITY FIRE PREVENTION AND CONTROL ASSISTANCE TO FIREFIGHTERS GRANT PROGRAM § 152.2 Definitions. Active firefighter is a member of a fire department or organization in good standing that is qualified to respond to... or organization in which all active firefighters are considered full-time employees, are...

  17. 44 CFR 152.2 - Definitions.

    Code of Federal Regulations, 2012 CFR

    2012-10-01

    ... SECURITY FIRE PREVENTION AND CONTROL ASSISTANCE TO FIREFIGHTERS GRANT PROGRAM § 152.2 Definitions. Active firefighter is a member of a fire department or organization in good standing that is qualified to respond to... or organization in which all active firefighters are considered full-time employees, are...

  18. 44 CFR 152.2 - Definitions.

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ... SECURITY FIRE PREVENTION AND CONTROL ASSISTANCE TO FIREFIGHTERS GRANT PROGRAM § 152.2 Definitions. Active firefighter is a member of a fire department or organization in good standing that is qualified to respond to... or organization in which all active firefighters are considered full-time employees, are...

  19. 27 CFR 22.152 - Reconsignment in transit.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... 27 Alcohol, Tobacco Products and Firearms 1 2010-04-01 2010-04-01 false Reconsignment in transit. 22.152 Section 22.152 Alcohol, Tobacco Products and Firearms ALCOHOL AND TOBACCO TAX AND TRADE BUREAU... Disposition of Tax-Free or Recovered Alcohol § 22.152 Reconsignment in transit. (a) Reconsignment....

  20. 27 CFR 22.152 - Reconsignment in transit.

    Code of Federal Regulations, 2011 CFR

    2011-04-01

    ... 27 Alcohol, Tobacco Products and Firearms 1 2011-04-01 2011-04-01 false Reconsignment in transit. 22.152 Section 22.152 Alcohol, Tobacco Products and Firearms ALCOHOL AND TOBACCO TAX AND TRADE BUREAU... Disposition of Tax-Free or Recovered Alcohol § 22.152 Reconsignment in transit. (a) Reconsignment....

  1. 27 CFR 22.152 - Reconsignment in transit.

    Code of Federal Regulations, 2013 CFR

    2013-04-01

    ... 27 Alcohol, Tobacco Products and Firearms 1 2013-04-01 2013-04-01 false Reconsignment in transit. 22.152 Section 22.152 Alcohol, Tobacco Products and Firearms ALCOHOL AND TOBACCO TAX AND TRADE BUREAU... Disposition of Tax-Free or Recovered Alcohol § 22.152 Reconsignment in transit. (a) Reconsignment....

  2. 27 CFR 22.152 - Reconsignment in transit.

    Code of Federal Regulations, 2012 CFR

    2012-04-01

    ... 27 Alcohol, Tobacco Products and Firearms 1 2012-04-01 2012-04-01 false Reconsignment in transit. 22.152 Section 22.152 Alcohol, Tobacco Products and Firearms ALCOHOL AND TOBACCO TAX AND TRADE BUREAU... Disposition of Tax-Free or Recovered Alcohol § 22.152 Reconsignment in transit. (a) Reconsignment....

  3. 27 CFR 22.152 - Reconsignment in transit.

    Code of Federal Regulations, 2014 CFR

    2014-04-01

    ... 27 Alcohol, Tobacco Products and Firearms 1 2014-04-01 2014-04-01 false Reconsignment in transit. 22.152 Section 22.152 Alcohol, Tobacco Products and Firearms ALCOHOL AND TOBACCO TAX AND TRADE BUREAU... Disposition of Tax-Free or Recovered Alcohol § 22.152 Reconsignment in transit. (a) Reconsignment....

  4. 14 CFR 152.411 - Affirmative action steps.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... 14 Aeronautics and Space 3 2010-01-01 2010-01-01 false Affirmative action steps. 152.411 Section 152.411 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION (CONTINUED) AIRPORTS AIRPORT AID PROGRAM Nondiscrimination in Airport Aid Program § 152.411 Affirmative action steps. (a) Each grantee which is not...

  5. 46 CFR 502.152 - Offer of proof.

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ... 46 Shipping 9 2011-10-01 2011-10-01 false Offer of proof. 502.152 Section 502.152 Shipping FEDERAL MARITIME COMMISSION GENERAL AND ADMINISTRATIVE PROVISIONS RULES OF PRACTICE AND PROCEDURE Hearings; Presiding Officers; Evidence § 502.152 Offer of proof. An offer of proof made in connection with an objection taken to any ruling of the...

  6. 40 CFR 61.152 - Air-cleaning.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 40 Protection of Environment 9 2013-07-01 2013-07-01 false Air-cleaning. 61.152 Section 61.152 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) AIR PROGRAMS (CONTINUED) NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS National Emission Standard for Asbestos § 61.152...

  7. 40 CFR 152.130 - Distribution under approved labeling.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 40 Protection of Environment 24 2011-07-01 2011-07-01 false Distribution under approved labeling. 152.130 Section 152.130 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED... Registrants § 152.130 Distribution under approved labeling. (a) A registrant may distribute or sell...

  8. 10 CFR 431.152 - Definitions concerning commercial clothes washers.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... 10 Energy 3 2011-01-01 2011-01-01 false Definitions concerning commercial clothes washers. 431.152 Section 431.152 Energy DEPARTMENT OF ENERGY ENERGY CONSERVATION ENERGY EFFICIENCY PROGRAM FOR CERTAIN COMMERCIAL AND INDUSTRIAL EQUIPMENT Commercial Clothers Washers § 431.152 Definitions concerning...

  9. 10 CFR 431.152 - Definitions concerning commercial clothes washers.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... 10 Energy 3 2010-01-01 2010-01-01 false Definitions concerning commercial clothes washers. 431.152 Section 431.152 Energy DEPARTMENT OF ENERGY ENERGY CONSERVATION ENERGY EFFICIENCY PROGRAM FOR CERTAIN COMMERCIAL AND INDUSTRIAL EQUIPMENT Commercial Clothers Washers § 431.152 Definitions concerning...

  10. 27 CFR 19.152 - Data for application for registration.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... registration. 19.152 Section 19.152 Alcohol, Tobacco Products and Firearms ALCOHOL AND TOBACCO TAX AND TRADE... Plants § 19.152 Data for application for registration. Application on Form 5110.41 shall include the... warehouseman: (i) Description of the system of storage. (ii) Statement of bulk storage capacity in wine...

  11. 42 CFR 410.152 - Amounts of payment.

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ... 42 Public Health 2 2011-10-01 2011-10-01 false Amounts of payment. 410.152 Section 410.152 Public Health CENTERS FOR MEDICARE & MEDICAID SERVICES, DEPARTMENT OF HEALTH AND HUMAN SERVICES MEDICARE PROGRAM SUPPLEMENTARY MEDICAL INSURANCE (SMI) BENEFITS Payment of SMI Benefits § 410.152 Amounts of payment. (a) General provisions—(1) Exclusion...

  12. 21 CFR 152.126 - Frozen cherry pie.

    Code of Federal Regulations, 2013 CFR

    2013-04-01

    ... 21 Food and Drugs 2 2013-04-01 2013-04-01 false Frozen cherry pie. 152.126 Section 152.126 Food and Drugs FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) FOOD FOR HUMAN CONSUMPTION FRUIT PIES Requirements for Specific Standardized Fruit Pies § 152.126 Frozen cherry pie. (a) Identity. (1) Frozen cherry pie...

  13. 21 CFR 152.126 - Frozen cherry pie.

    Code of Federal Regulations, 2012 CFR

    2012-04-01

    ... 21 Food and Drugs 2 2012-04-01 2012-04-01 false Frozen cherry pie. 152.126 Section 152.126 Food and Drugs FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) FOOD FOR HUMAN CONSUMPTION FRUIT PIES Requirements for Specific Standardized Fruit Pies § 152.126 Frozen cherry pie. (a) Identity. (1) Frozen cherry pie...

  14. 41 CFR 51-10.152-51-10.159 - [Reserved

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 41 Public Contracts and Property Management 1 2014-07-01 2014-07-01 false 51-10.152-51-10.159 Section 51-10.152-51-10.159 Public Contracts and Property Management Other Provisions Relating to Public... PEOPLE WHO ARE BLIND OR SEVERELY DISABLED §§ 51-10.152—51-10.159...

  15. 41 CFR 51-10.152-51-10.159 - [Reserved

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 41 Public Contracts and Property Management 1 2013-07-01 2013-07-01 false 51-10.152-51-10.159 Section 51-10.152-51-10.159 Public Contracts and Property Management Other Provisions Relating to Public... PEOPLE WHO ARE BLIND OR SEVERELY DISABLED §§ 51-10.152—51-10.159...

  16. 41 CFR 51-10.152-51-10.159 - [Reserved

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 41 Public Contracts and Property Management 1 2012-07-01 2009-07-01 true 51-10.152-51-10.159 Section 51-10.152-51-10.159 Public Contracts and Property Management Other Provisions Relating to Public... PEOPLE WHO ARE BLIND OR SEVERELY DISABLED §§ 51-10.152—51-10.159...

  17. 41 CFR 51-10.152-51-10.159 - [Reserved

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 41 Public Contracts and Property Management 1 2011-07-01 2009-07-01 true 51-10.152-51-10.159 Section 51-10.152-51-10.159 Public Contracts and Property Management Other Provisions Relating to Public... PEOPLE WHO ARE BLIND OR SEVERELY DISABLED §§ 51-10.152—51-10.159...

  18. 41 CFR 51-10.152-51-10.159 - [Reserved

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 41 Public Contracts and Property Management 1 2010-07-01 2010-07-01 true 51-10.152-51-10.159 Section 51-10.152-51-10.159 Public Contracts and Property Management Other Provisions Relating to Public... PEOPLE WHO ARE BLIND OR SEVERELY DISABLED §§ 51-10.152—51-10.159...

  19. 12 CFR 152.3 - Charters for Federal stock associations.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... 12 Banks and Banking 1 2012-01-01 2012-01-01 false Charters for Federal stock associations. 152.3 Section 152.3 Banks and Banking COMPTROLLER OF THE CURRENCY, DEPARTMENT OF THE TREASURY FEDERAL STOCK ASSOCIATIONS-INCORPORATION, ORGANIZATION, AND CONVERSION § 152.3 Charters for Federal stock associations. The charter of a Federal stock...

  20. 12 CFR 152.11 - Books and records.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... 12 Banks and Banking 1 2012-01-01 2012-01-01 false Books and records. 152.11 Section 152.11 Banks...-INCORPORATION, ORGANIZATION, AND CONVERSION § 152.11 Books and records. (a) Each Federal stock association shall keep correct and complete books and records of account; shall keep minutes of the proceedings of...

  1. 12 CFR 152.11 - Books and records.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... 12 Banks and Banking 1 2013-01-01 2013-01-01 false Books and records. 152.11 Section 152.11 Banks...-INCORPORATION, ORGANIZATION, AND CONVERSION § 152.11 Books and records. (a) Each Federal stock association shall keep correct and complete books and records of account; shall keep minutes of the proceedings of...

  2. 12 CFR 152.11 - Books and records.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... 12 Banks and Banking 1 2014-01-01 2014-01-01 false Books and records. 152.11 Section 152.11 Banks...-INCORPORATION, ORGANIZATION, AND CONVERSION § 152.11 Books and records. (a) Each Federal stock association shall keep correct and complete books and records of account; shall keep minutes of the proceedings of...

  3. 45 CFR 1706.152-1706.159 - [Reserved

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ... 45 Public Welfare 4 2011-10-01 2011-10-01 false 1706.152-1706.159 Section 1706.152-1706.159 Public Welfare Regulations Relating to Public Welfare (Continued) NATIONAL COMMISSION ON LIBRARIES AND... CONDUCTED BY NATIONAL COMMISSION ON LIBRARIES AND INFORMATION SCIENCE §§ 1706.152-1706.159...

  4. 14 CFR 152.321 - Notice of delay or acceleration.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ...2013-01-01 2013-01-01 false Notice of delay or acceleration. 152.321 Section 152.321 Aeronautics and Space...Reporting Requirements § 152.321 Notice of delay or acceleration. (a) The sponsor or planning agency shall...

  5. 14 CFR 152.321 - Notice of delay or acceleration.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ...2011-01-01 2011-01-01 false Notice of delay or acceleration. 152.321 Section 152.321 Aeronautics and Space...Reporting Requirements § 152.321 Notice of delay or acceleration. (a) The sponsor or planning agency shall...

  6. 14 CFR 152.321 - Notice of delay or acceleration.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ...2012-01-01 2012-01-01 false Notice of delay or acceleration. 152.321 Section 152.321 Aeronautics and Space...Reporting Requirements § 152.321 Notice of delay or acceleration. (a) The sponsor or planning agency shall...

  7. 14 CFR 152.321 - Notice of delay or acceleration.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ...2014-01-01 2014-01-01 false Notice of delay or acceleration. 152.321 Section 152.321 Aeronautics and Space...Reporting Requirements § 152.321 Notice of delay or acceleration. (a) The sponsor or planning agency shall...

  8. 14 CFR 152.321 - Notice of delay or acceleration.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ...2010-01-01 2010-01-01 false Notice of delay or acceleration. 152.321 Section 152.321 Aeronautics and Space...Reporting Requirements § 152.321 Notice of delay or acceleration. (a) The sponsor or planning agency shall...

  9. 10 CFR 63.152 - Training and certification program.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... 10 Energy 2 2011-01-01 2011-01-01 false Training and certification program. 63.152 Section 63.152 Energy NUCLEAR REGULATORY COMMISSION (CONTINUED) DISPOSAL OF HIGH-LEVEL RADIOACTIVE WASTES IN A GEOLOGIC REPOSITORY AT YUCCA MOUNTAIN, NEVADA Training and Certification of Personnel § 63.152 Training...

  10. 10 CFR 63.152 - Training and certification program.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... 10 Energy 2 2012-01-01 2012-01-01 false Training and certification program. 63.152 Section 63.152 Energy NUCLEAR REGULATORY COMMISSION (CONTINUED) DISPOSAL OF HIGH-LEVEL RADIOACTIVE WASTES IN A GEOLOGIC REPOSITORY AT YUCCA MOUNTAIN, NEVADA Training and Certification of Personnel § 63.152 Training...

  11. 10 CFR 63.152 - Training and certification program.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... 10 Energy 2 2010-01-01 2010-01-01 false Training and certification program. 63.152 Section 63.152 Energy NUCLEAR REGULATORY COMMISSION (CONTINUED) DISPOSAL OF HIGH-LEVEL RADIOACTIVE WASTES IN A GEOLOGIC REPOSITORY AT YUCCA MOUNTAIN, NEVADA Training and Certification of Personnel § 63.152 Training...

  12. 19 CFR 152.108 - Unacceptable bases of appraisement.

    Code of Federal Regulations, 2011 CFR

    2011-04-01

    ... 19 Customs Duties 2 2011-04-01 2011-04-01 false Unacceptable bases of appraisement. 152.108 Section 152.108 Customs Duties U.S. CUSTOMS AND BORDER PROTECTION, DEPARTMENT OF HOMELAND SECURITY... Merchandise § 152.108 Unacceptable bases of appraisement. For the purposes of this subpart,...

  13. 19 CFR 152.108 - Unacceptable bases of appraisement.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... 19 Customs Duties 2 2010-04-01 2010-04-01 false Unacceptable bases of appraisement. 152.108 Section 152.108 Customs Duties U.S. CUSTOMS AND BORDER PROTECTION, DEPARTMENT OF HOMELAND SECURITY... Merchandise § 152.108 Unacceptable bases of appraisement. For the purposes of this subpart,...

  14. 38 CFR 3.152 - Claims for death benefits.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ...2013-07-01 2013-07-01 false Claims for death benefits. 3.152 Section 3.152...Compensation Claims § 3.152 Claims for death benefits. (a) A specific claim...3.153) must be filed in order for death benefits to be paid to any...

  15. 38 CFR 3.152 - Claims for death benefits.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ...2012-07-01 2012-07-01 false Claims for death benefits. 3.152 Section 3.152...Compensation Claims § 3.152 Claims for death benefits. (a) A specific claim...3.153) must be filed in order for death benefits to be paid to any...

  16. 38 CFR 3.152 - Claims for death benefits.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ...2010-07-01 2010-07-01 false Claims for death benefits. 3.152 Section 3.152...Compensation Claims § 3.152 Claims for death benefits. (a) A specific claim...3.153) must be filed in order for death benefits to be paid to any...

  17. 45 CFR 152.27 - Fraud, waste, and abuse.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ... 45 Public Welfare 1 2010-10-01 2010-10-01 false Fraud, waste, and abuse. 152.27 Section 152.27...-EXISTING CONDITION INSURANCE PLAN PROGRAM Oversight § 152.27 Fraud, waste, and abuse. (a) Procedures. The... applicable or allowable), and promptly report to HHS incidences of waste, fraud, and abuse, and...

  18. 45 CFR 152.27 - Fraud, waste, and abuse.

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ... 45 Public Welfare 1 2011-10-01 2011-10-01 false Fraud, waste, and abuse. 152.27 Section 152.27...-EXISTING CONDITION INSURANCE PLAN PROGRAM Oversight § 152.27 Fraud, waste, and abuse. (a) Procedures. The... applicable or allowable), and promptly report to HHS incidences of waste, fraud, and abuse, and...

  19. 45 CFR 152.27 - Fraud, waste, and abuse.

    Code of Federal Regulations, 2012 CFR

    2012-10-01

    ... 45 Public Welfare 1 2012-10-01 2012-10-01 false Fraud, waste, and abuse. 152.27 Section 152.27...-EXISTING CONDITION INSURANCE PLAN PROGRAM Oversight § 152.27 Fraud, waste, and abuse. (a) Procedures. The... applicable or allowable), and promptly report to HHS incidences of waste, fraud, and abuse, and...

  20. 45 CFR 152.27 - Fraud, waste, and abuse.

    Code of Federal Regulations, 2014 CFR

    2014-10-01

    ... 45 Public Welfare 1 2014-10-01 2014-10-01 false Fraud, waste, and abuse. 152.27 Section 152.27...-EXISTING CONDITION INSURANCE PLAN PROGRAM Oversight § 152.27 Fraud, waste, and abuse. (a) Procedures. The... applicable or allowable), and promptly report to HHS incidences of waste, fraud, and abuse, and...

  1. 45 CFR 152.27 - Fraud, waste, and abuse.

    Code of Federal Regulations, 2013 CFR

    2013-10-01

    ... 45 Public Welfare 1 2013-10-01 2013-10-01 false Fraud, waste, and abuse. 152.27 Section 152.27...-EXISTING CONDITION INSURANCE PLAN PROGRAM Oversight § 152.27 Fraud, waste, and abuse. (a) Procedures. The... applicable or allowable), and promptly report to HHS incidences of waste, fraud, and abuse, and...

  2. 40 CFR 152.107 - Review of data.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 40 Protection of Environment 24 2011-07-01 2011-07-01 false Review of data. 152.107 Section 152... REGISTRATION AND CLASSIFICATION PROCEDURES Agency Review of Applications § 152.107 Review of data. (a) The Agency normally will review data submitted with an application that have not previously been submitted...

  3. 10 CFR 63.152 - Training and certification program.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... 10 Energy 2 2014-01-01 2014-01-01 false Training and certification program. 63.152 Section 63.152 Energy NUCLEAR REGULATORY COMMISSION (CONTINUED) DISPOSAL OF HIGH-LEVEL RADIOACTIVE WASTES IN A GEOLOGIC REPOSITORY AT YUCCA MOUNTAIN, NEVADA Training and Certification of Personnel § 63.152 Training...

  4. 10 CFR 63.152 - Training and certification program.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... 10 Energy 2 2013-01-01 2013-01-01 false Training and certification program. 63.152 Section 63.152 Energy NUCLEAR REGULATORY COMMISSION (CONTINUED) DISPOSAL OF HIGH-LEVEL RADIOACTIVE WASTES IN A GEOLOGIC REPOSITORY AT YUCCA MOUNTAIN, NEVADA Training and Certification of Personnel § 63.152 Training...

  5. 36 CFR 1208.152-1208.159 - [Reserved

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 36 Parks, Forests, and Public Property 3 2013-07-01 2012-07-01 true 1208.152-1208.159 Section 1208.152-1208.159 Parks, Forests, and Public Property NATIONAL ARCHIVES AND RECORDS ADMINISTRATION GENERAL... THE NATIONAL ARCHIVES AND RECORDS ADMINISTRATION §§ 1208.152-1208.159...

  6. 36 CFR 1208.152-1208.159 - [Reserved

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 36 Parks, Forests, and Public Property 3 2012-07-01 2012-07-01 false 1208.152-1208.159 Section 1208.152-1208.159 Parks, Forests, and Public Property NATIONAL ARCHIVES AND RECORDS ADMINISTRATION... CONDUCTED BY THE NATIONAL ARCHIVES AND RECORDS ADMINISTRATION §§ 1208.152-1208.159...

  7. 36 CFR 1208.152-1208.159 - [Reserved

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 36 Parks, Forests, and Public Property 3 2014-07-01 2014-07-01 false 1208.152-1208.159 Section 1208.152-1208.159 Parks, Forests, and Public Property NATIONAL ARCHIVES AND RECORDS ADMINISTRATION... CONDUCTED BY THE NATIONAL ARCHIVES AND RECORDS ADMINISTRATION §§ 1208.152-1208.159...

  8. 36 CFR 1208.152-1208.159 - [Reserved

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 36 Parks, Forests, and Public Property 3 2011-07-01 2011-07-01 false 1208.152-1208.159 Section 1208.152-1208.159 Parks, Forests, and Public Property NATIONAL ARCHIVES AND RECORDS ADMINISTRATION... CONDUCTED BY THE NATIONAL ARCHIVES AND RECORDS ADMINISTRATION §§ 1208.152-1208.159...

  9. 36 CFR 1208.152-1208.159 - [Reserved

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 36 Parks, Forests, and Public Property 3 2010-07-01 2010-07-01 false 1208.152-1208.159 Section 1208.152-1208.159 Parks, Forests, and Public Property NATIONAL ARCHIVES AND RECORDS ADMINISTRATION... CONDUCTED BY THE NATIONAL ARCHIVES AND RECORDS ADMINISTRATION §§ 1208.152-1208.159...

  10. 27 CFR 9.152 - Malibu-Newton Canyon.

    Code of Federal Regulations, 2011 CFR

    2011-04-01

    ...2011-04-01 2011-04-01 false Malibu-Newton Canyon. 9.152 Section 9.152...Viticultural Areas § 9.152 Malibu-Newton Canyon. (a) Name. The name of...described in this petition is “Malibu-Newton Canyon.” (b) Approved maps....

  11. 28 CFR 115.152-115.53 - [Reserved

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 28 Judicial Administration 2 2014-07-01 2014-07-01 false 115.152-115.53 Section 115.152-115.53 Judicial Administration DEPARTMENT OF JUSTICE (CONTINUED) PRISON RAPE ELIMINATION ACT NATIONAL STANDARDS Standards for Lockups Reporting §§ 115.152-115.53...

  12. 28 CFR 115.152-115.153 - [Reserved

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 28 Judicial Administration 2 2012-07-01 2012-07-01 false 115.152-115.153 Section 115.152-115.153 Judicial Administration DEPARTMENT OF JUSTICE (CONTINUED) PRISON RAPE ELIMINATION ACT NATIONAL STANDARDS Standards for Lockups Reporting §§ 115.152-115.153...

  13. 28 CFR 115.152-115.53 - [Reserved

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 28 Judicial Administration 2 2013-07-01 2013-07-01 false 115.152-115.53 Section 115.152-115.53 Judicial Administration DEPARTMENT OF JUSTICE (CONTINUED) PRISON RAPE ELIMINATION ACT NATIONAL STANDARDS Standards for Lockups Reporting §§ 115.152-115.53...

  14. 44 CFR 16.152-16.159 - [Reserved

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ... 44 Emergency Management and Assistance 1 2011-10-01 2011-10-01 false 16.152-16.159 Section 16.152-16.159 Emergency Management and Assistance FEDERAL EMERGENCY MANAGEMENT AGENCY, DEPARTMENT OF... ACTIVITIES CONDUCTED BY THE FEDERAL EMERGENCY MANAGEMENT AGENCY §§ 16.152-16.159...

  15. 42 CFR 422.152 - Quality improvement program.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ... 42 Public Health 3 2010-10-01 2010-10-01 false Quality improvement program. 422.152 Section 422.152 Public Health CENTERS FOR MEDICARE & MEDICAID SERVICES, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) MEDICARE PROGRAM MEDICARE ADVANTAGE PROGRAM Quality Improvement § 422.152 Quality improvement program. (a) General rule. Each...

  16. 40 CFR 152.110 - Time for agency review.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 40 Protection of Environment 24 2014-07-01 2014-07-01 false Time for agency review. 152.110 Section 152.110 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PESTICIDE PROGRAMS PESTICIDE REGISTRATION AND CLASSIFICATION PROCEDURES Agency Review of Applications § 152.110 Time for...

  17. 40 CFR 152.110 - Time for agency review.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 40 Protection of Environment 23 2010-07-01 2010-07-01 false Time for agency review. 152.110 Section 152.110 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PESTICIDE PROGRAMS PESTICIDE REGISTRATION AND CLASSIFICATION PROCEDURES Agency Review of Applications § 152.110 Time for...

  18. 40 CFR 152.110 - Time for agency review.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 40 Protection of Environment 25 2013-07-01 2013-07-01 false Time for agency review. 152.110 Section 152.110 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PESTICIDE PROGRAMS PESTICIDE REGISTRATION AND CLASSIFICATION PROCEDURES Agency Review of Applications § 152.110 Time for...

  19. 40 CFR 152.110 - Time for agency review.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 40 Protection of Environment 24 2011-07-01 2011-07-01 false Time for agency review. 152.110 Section 152.110 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PESTICIDE PROGRAMS PESTICIDE REGISTRATION AND CLASSIFICATION PROCEDURES Agency Review of Applications § 152.110 Time for...

  20. 40 CFR 152.110 - Time for agency review.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 40 Protection of Environment 25 2012-07-01 2012-07-01 false Time for agency review. 152.110 Section 152.110 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PESTICIDE PROGRAMS PESTICIDE REGISTRATION AND CLASSIFICATION PROCEDURES Agency Review of Applications § 152.110 Time for...

  1. 21 CFR 152.126 - Frozen cherry pie.

    Code of Federal Regulations, 2011 CFR

    2011-04-01

    ... 21 Food and Drugs 2 2011-04-01 2011-04-01 false Frozen cherry pie. 152.126 Section 152.126 Food... HUMAN CONSUMPTION FRUIT PIES Requirements for Specific Standardized Fruit Pies § 152.126 Frozen cherry pie. (a) Identity. (1) Frozen cherry pie (excluding baked and then frozen) is the food prepared...

  2. 21 CFR 152.126 - Frozen cherry pie.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... 21 Food and Drugs 2 2010-04-01 2010-04-01 false Frozen cherry pie. 152.126 Section 152.126 Food... HUMAN CONSUMPTION FRUIT PIES Requirements for Specific Standardized Fruit Pies § 152.126 Frozen cherry pie. (a) Identity. (1) Frozen cherry pie (excluding baked and then frozen) is the food prepared...

  3. 21 CFR 152.126 - Frozen cherry pie.

    Code of Federal Regulations, 2014 CFR

    2014-04-01

    ... 21 Food and Drugs 2 2014-04-01 2014-04-01 false Frozen cherry pie. 152.126 Section 152.126 Food... HUMAN CONSUMPTION FRUIT PIES Requirements for Specific Standardized Fruit Pies § 152.126 Frozen cherry pie. (a) Identity. (1) Frozen cherry pie (excluding baked and then frozen) is the food prepared...

  4. 25 CFR 152.32 - Irrigation fee; payment.

    Code of Federal Regulations, 2011 CFR

    2011-04-01

    ... 25 Indians 1 2011-04-01 2011-04-01 false Irrigation fee; payment. 152.32 Section 152.32 Indians... Conveyances of Trust Or Restricted Lands § 152.32 Irrigation fee; payment. Collection of all construction costs against any Indian-owned lands within Indian irrigation projects is deferred as long as...

  5. 25 CFR 152.32 - Irrigation fee; payment.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... 25 Indians 1 2010-04-01 2010-04-01 false Irrigation fee; payment. 152.32 Section 152.32 Indians... Conveyances of Trust Or Restricted Lands § 152.32 Irrigation fee; payment. Collection of all construction costs against any Indian-owned lands within Indian irrigation projects is deferred as long as...

  6. 12 CFR 152.3 - Charters for Federal stock associations.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... 12 Banks and Banking 1 2013-01-01 2013-01-01 false Charters for Federal stock associations. 152.3 Section 152.3 Banks and Banking COMPTROLLER OF THE CURRENCY, DEPARTMENT OF THE TREASURY FEDERAL STOCK ASSOCIATIONS-INCORPORATION, ORGANIZATION, AND CONVERSION § 152.3 Charters for Federal stock associations....

  7. 12 CFR 152.3 - Charters for Federal stock associations.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... 12 Banks and Banking 1 2014-01-01 2014-01-01 false Charters for Federal stock associations. 152.3 Section 152.3 Banks and Banking COMPTROLLER OF THE CURRENCY, DEPARTMENT OF THE TREASURY FEDERAL STOCK ASSOCIATIONS-INCORPORATION, ORGANIZATION, AND CONVERSION § 152.3 Charters for Federal stock associations....

  8. Generation of high power, high repetition-rate pulses using erbium-doped fiber ring laser 

    E-print Network

    Hinson, Brett Darren

    1998-01-01

    This thesis presents the results obtained from crographics. generation of high repetition rate, high peak power output pulses using an erbium-doped fiber amplifier (EDFA). Two configurations were employed. The first setup used a linear cavity...

  9. Design and Experimental Characterization of an Erbium Doped GaN Waveguide

    E-print Network

    Wang, Qian

    2012-05-31

    communication systems, attenuation of optical signals, principles of optical amplifiers and planar optical waveguides. We focused on the principles and applications of Erbium doped fiber amplifiers (EDFA) and the physical properties of Er: GaN waveguides...

  10. Erbium-doped and Raman microlasers on a silicon chip fabricated by the solgel process

    E-print Network

    Carmon, Tal

    with erbium implanted silica layers,3 low threshold rare- earth-doped microlasers on-a-chip have been for preparing silica and silicate from a metal alkoxide precursor provides a versatile and cost-effective way

  11. Silicon-germanium saturable absorbers and erbium-doped waveguides for integrated mode-locked lasers

    E-print Network

    Byun, Hyunil

    2006-01-01

    In this thesis, Silicon-Germanium (SiGe) Saturable Bragg Reflectors (SBR) and Erbium-doped waveguide chips are fabricated and characterized as crucial components for integration of a mode-locked laser on a Si-chip. The ...

  12. Carrier lifetime in erbium-doped GaN waveguide emitting in 1540 nm wavelength

    E-print Network

    Wang, Q.; Hui, Rongqing; Dahal, R.; Lin, J. Y.; Jiang, H. X.

    2010-01-01

    We report the characteristics of an erbium-doped GaNsemiconductorwaveguideamplifier grown by metal-organic chemical vapor deposition. We demonstrated that both 980 and 1480 nm optical pumping were efficient to create population inversion between...

  13. Generalized rate-equation analysis of excitation exchange between silicon nanoclusters and erbium ions

    SciTech Connect

    Kenyon, A. J.; Wojdak, M.; Ahmad, I.; Loh, W. H.; Oton, C. J.

    2008-01-15

    We discuss the use of rate equations to analyze the sensitization of erbium luminescence by silicon nanoclusters. In applying the general form of second-order coupled rate-equations to the Si nanocluster-erbium system, we find that the photoluminescence dynamics cannot be described using a simple rate equation model. Both rise and fall times exhibit a stretched exponential behavior, which we propose arises from a combination of a strongly distance-dependent nanocluster-erbium interaction, along with the finite size distribution and indirect band gap of the silicon nanoclusters. Furthermore, the low fraction of erbium ions that can be excited nonresonantly is a result of the small number of ions coupled to nanoclusters.

  14. High repetition rate, high average power, femtosecond erbium fiber ring laser

    E-print Network

    Ippen, Erich P.

    A 301 MHz fundamentally mode-locked erbium fiber ring laser generating 108 fs pulses is demonstrated. Novel combination of gain fiber with anomalous group-velocity dispersion and intra-cavity silicon with normal group-velocity ...

  15. Endolenticular phacolysis using the erbium:YAG laser on human autopsy lenses: a histopathologic study

    NASA Astrophysics Data System (ADS)

    Noecker, Robert J.; Kramer, Theresa R.; Ellsworth, Lansing G.; Snyder, Robert W.; Yarborough, J. Michael

    1994-06-01

    A pulsed erbium:YAG laser equipped with a 1-m zirconium fluoride fiber coupled with a sapphire tip was used to photovaporize human autopsy lens tissue. Measured diameter of photovaporization of human lens cortex with erbium:YAG laser ranged from 117 micrometers at a fluence of 3.98 J/cm2 to 227 micrometers at fluence of 15.92 J/cm2. Measured diameter of photovaporization of human lens nucleus with Erbium:YAG laser ranged from 265 micrometers at a fluence of 11 J/cm2 and 295 micrometers at a fluence of 15 J/cm2. Endolenticular phacovaporization with the Erbium:YAG laser appears to be a potentially efficient and precise means of removing the human lens.

  16. Gain in erbium-doped fiber amplifiers: a simple analytical solution for the rate equations

    SciTech Connect

    Peroni, M.; Tamburrini, M. )

    1990-08-01

    The solution of the rate equations that describe an erbium-doped fiber amplifier is investigated, and the possibility of obtaining an analytical solution for several field and erbium transverse distributions in the active fiber is determined. With the obtained equations it is possible to find directly the signal gain and the main parameters that influence it. The validity of this research is extended to the case of high signal power.

  17. Multi-wavelength erbium/Raman gain based random distributed feedback fiber laser

    NASA Astrophysics Data System (ADS)

    Sugavanam, S.; Zulkifli, M. Z.; Churkin, D. V.

    2016-01-01

    A multiwavelength generation in a random distributed feedback fiber laser based on hybrid Raman and erbium gain and a Lyot all-fiber spectral filter is demonstrated for the first time. The use of erbium-doped fiber allows a multi-wavelength generation to be achieved at lower pump powers in comparison with random fiber lasers based on Raman gain only. The operating bandwidth and flatness of power distribution between different lines in generation are also improved in the hybrid gain configuration.

  18. Resonantly photo-pumped nickel-like erbium X-ray laser

    DOEpatents

    Nilsen, Joseph (Livermore, CA)

    1990-01-01

    A resonantly photo-pumped X-ray laser (10) that enhances the gain of seve laser lines that also lase because of collisional excitations and recombination processes, is described. The laser comprises an aluminum (12) and erbium (14) foil combination (16) that is driven by two beams (18, 20) of intense line focused (22, 24) optical laser radiation. Ground state nickel-like erbium ions (34) are resonantly photo-pumped by line emission from hydrogen-like aluminum ions (32).

  19. Sub-100 fs mode-locked erbium-doped fiber laser using a 45-tilted fiber grating

    E-print Network

    Turitsyn, Sergei K.

    Sub-100 fs mode-locked erbium-doped fiber laser using a 45°-tilted fiber grating Zuxing Zhang demonstrate generation of sub-100 fs pulses at 1.5 µm in a mode-locked erbium-doped fiber laser using a 45.3510) Lasers, erbium; (140.4050) Mode- locked lasers. References and links 1. H. A. Haus, K. Tamura, L. E

  20. Microwave multimode memory with an erbium spin ensemble

    NASA Astrophysics Data System (ADS)

    Probst, S.; Rotzinger, H.; Ustinov, A. V.; Bushev, P. A.

    2015-07-01

    Hybrid quantum systems combining circuit QED with spin-doped solids are an attractive platform for distributed quantum information processing. There, the magnetic ions serve as coherent memory elements and reversible conversion elements of microwave to optical qubits. Among many possible spin-doped solids, erbium ions offer the unique opportunity for a coherent conversion of microwave photons into the telecom C band at 1.54 ? m employed for long distance communication. In our work, we perform a time-resolved electron spin resonance study of an Er3 +:Y2SiO5 spin ensemble at millidegrees Kelvin temperatures and demonstrate multimode storage and retrieval of up to 16 coherent microwave pulses. The memory efficiency is measured to be 10-4 at a coherence time of T2=5.6 ? s . We observe a saturation of the spin coherence time below 50 mK due to full polarization of the surrounding electronic spin bath.

  1. Erbium-doped nanoparticles in silica-based optical fibres

    E-print Network

    Blanc, Wilfried; Dussardier, Bernard; 10.1504/IJNT.2012.045350

    2012-01-01

    Developing of new rare-earth (RE)-doped optical fibres for power amplifiers and lasers requires continuous improvements in the fibre spectroscopic properties (like shape and width of the gain curve, optical quantum efficiency, resistance to spectral hole burning and photodarkening...). Silica glass as a host material for fibres has proved to be very attractive. However, some potential applications of RE-doped fibres suffer from limitations in terms of spectroscopic properties resulting from clustering or inappropriate local environment when doped into silica. To this aim, we present a new route to modify some spectroscopic properties of RE ions in silica-based fibres based on the incorporation of erbium ions in amorphous dielectric nanoparticles, grown in-situ in fibre preforms. By adding alkaline earth elements, in low concentration into silica, one can obtain a glass with an immiscibility gap. Then, phase separation occurs under an appropriate heat treatment. We investigated the role of three alkaline-earth...

  2. Nanoscale nonlinear effects in Erbium-implanted Yttrium Orthosilicate

    E-print Network

    Kukharchyk, Nadezhda; Probst, Sebastian; Xia, Kangwei; Becker, Hans-Werner; Pal, Shovon; Markmann, Sergej; Kolesov, Roman; Siyushev, Petr; Wrachtrup, Jörg; Ludwig, Arne; Ustinov, Alexey V; Wieck, Andreas D; Bushev, Pavel

    2015-01-01

    Doping of substrates at desired locations is a key technology for spin-based quantum memory devices. Focused ion beam implantation is well-suited for this task due to its high spacial resolution. In this work, we investigate ion-beam implanted erbium ensembles in Yttrium Orthosilicate crystals by means of confocal photoluminescence spectroscopy. The sample temperature and the post-implantation annealing step strongly reverberate in the properties of the implanted ions. We find that hot implantation leads to a higher activation rate of the ions. At high enough fluences, the relation between the fluence and final concentration of ions becomes non-linear. Two models are developed explaining the observed behaviour.

  3. Combination of erbium and holmium laser radiation for tissue ablation

    NASA Astrophysics Data System (ADS)

    Pratisto, Hans S.; Frenz, Martin; Koenz, Flurin; Altermatt, Hans J.; Weber, Heinz P.

    1996-05-01

    Erbium lasers emitting at 2.94 micrometers and holmium lasers emitting at 2.1 micrometers are interesting tools for cutting, drilling, smoothing and welding of water containing tissues. The high absorption coefficient of water at these wavelengths leads to their good ablation efficiency with controlled thermally altered zones around the ablation sites. Combination of pulses with both wavelengths transmitted through one fiber were used to perform incisions in soft tissue and impacts in bone disks. Histological results and scanning electron microscope evaluations reveal the strong influence of the absorption coefficient on tissue effects, especially on the ablation efficiency and the zone of thermally damaged tissue. It is demonstrated that the combination of high ablation rates and deep coagulation zones can be achieved. The results indicate that this laser system can be considered as a first step towards a multi-functional medical instrument.

  4. Erbium laser in middle ear surgery: laboratory study

    NASA Astrophysics Data System (ADS)

    Shah, Udayan K.; Poe, Dennis S.; Rebeiz, Elie E.; Perrault, Donald F., Jr.; Pankratov, Michail M.; Shapshay, Stanley M.

    1994-09-01

    Cadaveric human temporal bones, cadaveric rabbits, and live rats were used to demonstrate the use and safety of the erbium:yttrium-scandium-gallium-garnet (Er:YSGG) laser for otologic applications: for dissection and precise drilling of bone. The shallow penetration of this wavelength and hence minimal collateral thermal effects spare underlying middle and inner ear structures and make it appealing for stapedotomy. Temperature measurements from the round window area during Er:YSGG stapedotomy recorded an elevation of less than 2 degree(s)C, which is well within acceptable limits. Ablation of bone was good and efficient. An acoustic shock produced at the impact site is the major disadvantage and requires further in vivo investigation of the transient and sustained deleterious effects away from the application site. This work supports further investigation into potential applications of the Er:YSGG laser in otology.

  5. Mechanical properties of melt-derived erbium oxide

    SciTech Connect

    Neuman, A.D.; Blacic, M.J.; Platero, M.; Romero, R.S.; McClellan, K.J.; Petrovic, J.J.

    1998-12-31

    Erbium oxide (Er{sub 2}O{sub 3}) is a rare earth oxide that is chemically and thermally stable and has a melting point of 2,430 C. There is relatively little information available regarding single crystal growth of erbia or the properties of erbia. In this study, erbia single crystals have been grown in a Xenon Optical Floating Zone Unit (XeOFZ) capable of melting materials at temperatures up to 3,000 C. Erbia was melt synthesized in the XeOFZ unit in a container less fashion, proving for little chance of contamination. Crystals were grown in compressed air and in reducing atmospheres. A recurring problem with melt synthesis of erbia is the appearance of flakes at the edges of the melt zone during growth; these flakes disrupt the growth process. The processing details and an initial survey of the physical properties of erbia single crystals is discussed.

  6. Optimization of erbium-doped fiber MOPA laser

    NASA Astrophysics Data System (ADS)

    Chiang, Y. J.; Hsiao, C. S.; Wang, Likarn

    2010-03-01

    An erbium-doped fiber laser (EDFL) constructed in a master oscillator and power amplifier (MOPA) configuration is analyzed. The pump powers for the fiber cavity laser and the booster amplifier stages are managed properly to achieve maximal pump conversion efficiency. Our design achieves a pump conversion efficiency of 91.4%, corresponding to a quantum efficiency of 96.6%, for a 1565.8 nm MOPA laser pumped by a total power of 300 mW at 1480 nm. The optimized MOPA laser shows a 25% enhancement in the pump conversion efficiency, compared to a non-MOPA fiber laser. A side lobe suppression ratio of 48 dB for the optimized MOPA laser is observed.

  7. Multiwavelength erbium-doped fiber laser based on graphene oxide.

    PubMed

    Hao, Xia; Tong, Zhengrong; Zhao, Junfa; Cao, Ye; Li, Lan

    2014-07-10

    A multiwavelength erbium-doped fiber (EDF) laser based on graphene oxide (GO) has been proposed, to the best of our knowledge, for the first time, to generate an output of stable wavelengths. The structure mainly comprises a few layers of GO between two single-mode fibers incorporated into a capillary device and a Lyot comb filter. GO can show a good nonlinear optical effect, which is beneficial to suppress the mode competition caused by the EDF and stabilize the multiwavelength output. With assistance from the GO device, 11 stable simultaneous lasing signals with a power nonuniformity of about 1.5 dB are obtained. Wavelength spacing is about 0.42 nm and the linewidth of each wavelength is less than 0.07 nm. PMID:25090073

  8. Dual-kind Q-switching of erbium fiber laser

    SciTech Connect

    Barmenkov, Yuri O. Kir'yanov, Alexander V.; Cruz, Jose L.; Andres, Miguel V.

    2014-03-03

    Two different regimes of Q-switching in the same implementation of an actively Q-switched erbium-doped fiber laser are demonstrated. Depending on the active fiber length and repetition rate of an intracavity Q-cell (acousto-optic modulator), the laser operates either in the regime of common, rather long and low-power, pulses composed of several sub-pulses or in the one of very short and powerful stimulated Brillouin scattering-induced pulses. The basic physical reason of the laser system to oscillate in one of these two regimes is the existence or absence of CW narrow-line “bad-cavity” lasing in the intervals when the Q-cell is blocked.

  9. Measurements of $^{152}$Gd(p,$?$)$^{153}$Tb and $^{152}$Gd(p,n)$^{152}$Tb reaction cross sections for the astrophysical $?$ process

    E-print Network

    R. T. Güray; N. Özkan; C. Yalç?n; T. Rauscher; Gy. Gyürky; J. Farkas; Zs. Fülöp; Z. Halász; E. Somorjai

    2015-06-30

    The total cross sections for the $^{152}$Gd(p,$\\gamma$)$^{153}$Tb and $^{152}$Gd(p,n)$^{152}$Tb reactions have been measured by the activation method at effective center-of-mass energies \\mbox{$3.47 \\leq E_\\mathrm{c.m.}^\\mathrm{eff}\\leq 7.94$ MeV} and \\mbox{$4.96 \\leq E_\\mathrm{c.m.}^\\mathrm{eff} \\leq 7.94$ MeV}, respectively. The targets were prepared by evaporation of 30.6\\% isotopically enriched $^{152}$Gd oxide on aluminum backing foils, and bombarded with proton beams provided by a cyclotron accelerator. The cross sections were deduced from the observed $\\gamma$-ray activity, which was detected off-line by a HPGe detector in a low background environment. The results are presented and compared with predictions of statistical model calculations. This comparison supports a modified optical proton+$^{152}$Gd potential suggested earlier.

  10. Radiation-resistant erbium-doped optical fiber for space applications

    NASA Astrophysics Data System (ADS)

    Thomas, Jérémie; Myara, Mikha"l.; Signoret, Philippe; Pastouret, Alain; Burov, Ekaterina; Boivin, David; Cavani, Olivier; Sotom, Michel; Maignan, Michel; Gilard, Olivier

    2012-01-01

    In the last decade, there has been increased interest in photonic technology for new satellite applications. One critical issue is the high sensitivity to radiative environments of the Erbium Doped Fiber (EDF). It leads to a radiation-induced absorption (RIA) that is not due to erbium content but mainly to the aluminium that ensures the erbium inclusion in glass. As the radiation induced losses grow as an exponential function of fiber length, the principal way so far to reduce EDFA degradation has consisted in increasing erbium concentration using conventional doping techniques. However, this is limited by the quenching effect, which impacts the fiber length needed to reach high gain, but also by the Aluminium-induced RIA. It has been recently proposed an original nanoparticle (NP) doping approach, which allows codopant content decrease with reduced quenching impact, while keeping EDF amplifying performances. A radiation-resistant amplifier can thus be designed as a "quenching-free", heavily-erbium-doped amplifier with low RIA. We demonstrate for the first time an aluminium-free EDF, exhibiting low quenching and low RIA. Despite the lack of aluminium, using silica NPs allows an erbium concentration close to the one of standard EDFs (200 ppm). This fiber is compared to a 1400 ppm Erbium-doped optical fiber with a strong aluminium concentration. Whereas the two fibers exhibit similar initial optical gain (15 dB under saturation conditions), the NP doped Al-free EDF shows only 2 dB gain reduction after a 600 Gy gamma deposit, while the Al/Er EDF incurs more than 10 dB gain degradation.

  11. Combination of fiber-guided pulsed erbium and holmium laser radiation for tissue ablation under water

    NASA Astrophysics Data System (ADS)

    Pratisto, Hans; Frenz, Martin; Ith, Michael; Altermatt, Hans J.; Jansen, E. Duco; Weber, Heinz P.

    1996-07-01

    Because of the high absorption of near-infrared laser radiation in biological tissue, erbium lasers and holmium lasers emitting at 3 and 2 mu m, respectively, have been proven to have optimal qualities for cutting or welding and coagulating tissue. To combine the advantages of both wavelengths, we realized a multiwavelength laser system by simultaneously guiding erbium and holmium laser radiation by means of a single zirconium fluoride (ZrF4) fiber. Laser-induced channel formation in water and poly(acrylamide) gel was investigated by the use of a time-resolved flash-photography setup, while pressure transients were recorded simultaneously with a needle hydrophone. The shapes and depths of vapor channels produced in water and in a submerged gel after single erbium and after combination erbium-holmium radiation delivered by means of a 400- mu m ZrF4 fiber were measured. Transmission measurements were performed to determine the amount of pulse energy available for tissue ablation. The effects of laser wavelength and the delay time between pulses of different wavelengths on the photomechanical and photothermal responses of meniscal tissue were evaluated in vitro by the use of histology. It was observed that the use of a short (200- mu s, 100-mJ) holmium laser pulse as a prepulse to generate a vapor bubble through which the ablating erbium laser pulse can be transmitted (delay time, 100 mu s) increases the cutting depth in meniscus from 450 to 1120 mu m as compared with the depth following a single erbium pulse. The results indicate that a combination of erbium and holmium laser radiation precisely and efficiently cuts tissue under water with 20-50- mu m collateral tissue damage. wave, cavitation, channel formation, infrared-fiber-delivery system, tissue damage, cartilage.

  12. 10 GHz actively mode-locked erbium-doped fiber ring laser using an electro-absorption modulator and a linear optical amplifier

    E-print Network

    Wai, Ping-kong Alexander

    10 GHz actively mode-locked erbium-doped fiber ring laser using an electro-absorption modulator, Hung Hom, Hong Kong Abstract: We demonstrated a 10-GHz actively mode-locked erbium-doped fiber laser-bit-rate clock recovery or demultiplexing [1]. Reported mode-locking techniques include erbium-doped fiber lasers

  13. SEM-mapped micro-photoluminescence studies of highly luminescent micro-clusters in erbium-doped silicon-rich silicon oxide

    E-print Network

    SEM-mapped micro-photoluminescence studies of highly luminescent micro-clusters in erbium Available online 8 September 2010 Keywords: Erbium Stark Micro-clusters Photoluminescence ErSRSO SEM a b s t r a c t This paper reports on the formation of unique micrometer-scale clusters in erbium

  14. Due to an error in production, this article was previously published incorrectly; this is the correct version of the article. Luminescence quenching in erbium-doped hydrogenated amorphous

    E-print Network

    Polman, Albert

    ; this is the correct version of the article. Luminescence quenching in erbium-doped hydrogenated amorphous silicon Jung thin films are doped with erbium by ion implantation. Room-temperature photoluminescence at 1.54 m, due is increased. © 1996 American Institute of Physics. S0003-6951 96 01001-7 Erbium-doped materials can emit light

  15. Origin of the 1.54 m luminescence of erbium-implanted porous silicon Jung H. Shin, G. N. van den Hoven, and A. Polman

    E-print Network

    Polman, Albert

    Origin of the 1.54 m luminescence of erbium-implanted porous silicon Jung H. Shin, G. N. van den, The Netherlands Received 21 November 1994; accepted for publication 1 March 1995 Photoluminescence of erbium to be due to quantum con- finement of carriers in silicon crystal nanograins present in p-Si.6 Erbium has

  16. 40 GHz actively mode-locked erbium-doped fiber ring laser using an electro-absorption modulator and a linear optical amplifier

    E-print Network

    Wai, Ping-kong Alexander

    40 GHz actively mode-locked erbium-doped fiber ring laser using an electro-absorption modulator, Hong Kong Abstract: We demonstrated a 40-GHz actively mode-locked erbium-doped fiber laser mode-locking the laser. Q-switching occurs easily in erbium-doped fiber lasers incorporating

  17. Passive mode locking in erbium fiber lasers with negative group delay M. E. Fermann, M. J. Andrejco, M. L. Stock,a) Y. Silberberg, and A. M. Weiner

    E-print Network

    Purdue University

    Passive mode locking in erbium fiber lasers with negative group delay M. E. Fermann, M. J. Andrejco are generated in passively mode-locked erbium fiber lasers with small negative group-velocity dispersion- theless, the potential pulse-width limit of 60 fs set by the erbium gain bandwidth6 has not yet been

  18. Incorporation of high concentrations of erbium in crystal silicon A. Polman, J. S. Custer, E. Snoeks, and G. N. van den Hoven

    E-print Network

    Polman, Albert

    Incorporation of high concentrations of erbium in crystal silicon A. Polman, J. S. Custer, E shells. Erbium is of interest because these transitions occur near 1.5 pm, a wavelength of great im- portance in optical communication technology. Erbium-doped Si will only be useful, however, if enough Er

  19. arXiv:1304.3326v1[physics.atom-ph]11Apr2013 Hyperfine Structure of Laser-Cooling Transitions in Fermionic Erbium-167

    E-print Network

    Kotochigova, Svetlana

    in Fermionic Erbium-167 Albert Frisch, Kiyotaka Aikawa, Michael Mark, and Francesca Ferlaino Institut f structure of the only stable fermionic isotope of atomic erbium as well as determined its isotope shift of the hyperfine structure of the only stable fermionic erbium isotope, 167 Er. In particular, we obtain

  20. Reduction of the intensity noise from an erbium-doped fiber laser to the standard quantum limit by intracavity spectral filtering

    E-print Network

    Park, Namkyoo

    Reduction of the intensity noise from an erbium-doped fiber laser to the standard quantum limit Fabry-Perot erbium-doped fiber ring laser is reduced to the standard quantum limit, with a 0.5 d modes using a narrow-band fiber Fabry-Perot etalon. Broadly tunable, single-frequency erbium-doped fiber

  1. Co-lasing in an electrically tunable erbium-doped fiber laser Jay W. Dawson, Namkyoo Park, and Kerry J. Vahala

    E-print Network

    Park, Namkyoo

    Co-lasing in an electrically tunable erbium-doped fiber laser Jay W. Dawson, Namkyoo Park simultaneous wavelength operation (co-lasing) of an erbium-doped fiber ring laser with independent tunability tunable single-frequency, erbium-doped fiber ring laser with a tandem Fabry-Perot filter,le3 having

  2. Abstract--We demonstrate adaptive control of mode-dependent gain in a multi-mode erbium-doped fiber amplifier by

    E-print Network

    Kahn, Joseph M.

    Abstract--We demonstrate adaptive control of mode- dependent gain in a multi-mode erbium far been proposed for controlling MDG in multi-mode erbium-doped fiber amplifiers (MM-EDFAs). One approach would be to use an optimized erbium doping profile in the MM-EDFA [5]. While this approach can

  3. The erbium-impurity-interaction and its effects on the 1.54 pm luminescence of Er3+ In crystalline silicon

    E-print Network

    Polman, Albert

    The erbium-impurity-interaction and its effects on the 1.54 pm luminescence of Er3+ In crystalline for publication 1 May 1995) We have studied the effect of erbium-impurity interactions on the 1.54 pm luminescence 1995 American Institute of Physics. I. INTRODUCTION Erbium doping of crystalline and amorphous silicon

  4. 720 IEEE PHOTONICS TECHNOLOGY LETTERS, VOL. 19, NO. 10, MAY 15, 2007 All-Optical Clock Recovery Using Erbium-Doped

    E-print Network

    Wai, Ping-kong Alexander

    Using Erbium-Doped Fiber Laser Incorporating an Electroabsorption Modulator and a Linear Optical using an erbium-doped fiber laser that incorporates an electroabsorption modulator and a linear optical, and erbium-doped fiber (EDF) laser, or semiconductor-optical- amplifier-based fiber mode-locked lasers

  5. June 1, 1993 / Vol. 18, No. 11 / OPTICS LETTERS 879 Frequency locking of an erbium-doped fiber ring laser to an

    E-print Network

    Park, Namkyoo

    June 1, 1993 / Vol. 18, No. 11 / OPTICS LETTERS 879 Frequency locking of an erbium-doped fiber ring 91125 Received December 23, 1992 An all-fiber, single-frequency, erbium-doped ring laser has been lifetime.3'4 We have recently demonstrated an all-fiber erbium- doped ring laser whose characteristics

  6. 45 CFR 1706.152-1706.159 - [Reserved

    Code of Federal Regulations, 2014 CFR

    2014-10-01

    ... INFORMATION SCIENCE ENFORCEMENT OF NONDISCRIMINATION ON THE BASIS OF HANDICAP IN PROGRAMS OR ACTIVITIES CONDUCTED BY NATIONAL COMMISSION ON LIBRARIES AND INFORMATION SCIENCE §§ 1706.152-1706.159...

  7. 45 CFR 1706.152-1706.159 - [Reserved

    Code of Federal Regulations, 2013 CFR

    2013-10-01

    ... INFORMATION SCIENCE ENFORCEMENT OF NONDISCRIMINATION ON THE BASIS OF HANDICAP IN PROGRAMS OR ACTIVITIES CONDUCTED BY NATIONAL COMMISSION ON LIBRARIES AND INFORMATION SCIENCE §§ 1706.152-1706.159...

  8. 45 CFR 1706.152-1706.159 - [Reserved

    Code of Federal Regulations, 2012 CFR

    2012-10-01

    ... INFORMATION SCIENCE ENFORCEMENT OF NONDISCRIMINATION ON THE BASIS OF HANDICAP IN PROGRAMS OR ACTIVITIES CONDUCTED BY NATIONAL COMMISSION ON LIBRARIES AND INFORMATION SCIENCE §§ 1706.152-1706.159...

  9. 40 CFR 152.166 - Labeling of restricted use products.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ...) PESTICIDE PROGRAMS PESTICIDE REGISTRATION AND CLASSIFICATION PROCEDURES Classification of Pesticides § 152... formulation into other pesticide products) is not subject to the labeling requirements of this subpart....

  10. 45 CFR 1706.152-1706.159 - [Reserved

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ... INFORMATION SCIENCE ENFORCEMENT OF NONDISCRIMINATION ON THE BASIS OF HANDICAP IN PROGRAMS OR ACTIVITIES CONDUCTED BY NATIONAL COMMISSION ON LIBRARIES AND INFORMATION SCIENCE §§ 1706.152-1706.159...

  11. 44 CFR 152.5 - Review process and evaluation criteria.

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ..., DEPARTMENT OF HOMELAND SECURITY FIRE PREVENTION AND CONTROL ASSISTANCE TO FIREFIGHTERS GRANT PROGRAM § 152.5... best address the Assistance to Firefighters Grant Program's established priorities during this...

  12. 44 CFR 152.5 - Review process and evaluation criteria.

    Code of Federal Regulations, 2012 CFR

    2012-10-01

    ..., DEPARTMENT OF HOMELAND SECURITY FIRE PREVENTION AND CONTROL ASSISTANCE TO FIREFIGHTERS GRANT PROGRAM § 152.5... best address the Assistance to Firefighters Grant Program's established priorities during this...

  13. 44 CFR 152.5 - Review process and evaluation criteria.

    Code of Federal Regulations, 2013 CFR

    2013-10-01

    ..., DEPARTMENT OF HOMELAND SECURITY FIRE PREVENTION AND CONTROL ASSISTANCE TO FIREFIGHTERS GRANT PROGRAM § 152.5... best address the Assistance to Firefighters Grant Program's established priorities during this...

  14. 44 CFR 152.5 - Review process and evaluation criteria.

    Code of Federal Regulations, 2014 CFR

    2014-10-01

    ..., DEPARTMENT OF HOMELAND SECURITY FIRE PREVENTION AND CONTROL ASSISTANCE TO FIREFIGHTERS GRANT PROGRAM § 152.5... best address the Assistance to Firefighters Grant Program's established priorities during this...

  15. 44 CFR 152.5 - Review process and evaluation criteria.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ..., DEPARTMENT OF HOMELAND SECURITY FIRE PREVENTION AND CONTROL ASSISTANCE TO FIREFIGHTERS GRANT PROGRAM § 152.5... best address the Assistance to Firefighters Grant Program's established priorities during this...

  16. 14 CFR Appendix B to Part 152 - List of Advisory Circulars Incorporated by § 152.11

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ...AIRPORTS AIRPORT AID PROGRAM Pt. 152, App. B...Subject 150/5100-12—Electronic Navigational Aids Approved...Airport Development Aid Program (ADAP). 150/5190-3A...Rescue Equipment Building Guide. 150/5300-2C...5340-22—Maintenance Guide for Determining...

  17. La-codoped Bismuth-based Erbium-doped Fiber Ring laser with 80-nm Tuning Range

    E-print Network

    Wai, Ping-kong Alexander

    La-codoped Bismuth-based Erbium-doped Fiber Ring laser with 80-nm Tuning Range H. L. Liu1 , H. Y tunable fiber ring lasers using 253.3-cm long La-codoped bismuth-based erbium doped fiber and a narrowband

  18. Root Surface Bio-modification with Erbium Lasers- A Myth or a Reality??

    PubMed Central

    Lavu, Vamsi; Sundaram, Subramoniam; Sabarish, Ram; Rao, Suresh Ranga

    2015-01-01

    The objective of this literature review was to critically review the evidence available in the literature regarding the expediency of erbium family of lasers for root bio modification as a part of periodontal therapy. The literature search was performed on the Pubmed using MeSH words such as "lasers/therapeutic use, scaling, dental calculus, tooth root/anatomy and histology, ultrasonic therapy". The studies were screened and were grouped as follows: those evaluating a) efficacy for calculus removal with the Erbium family of laser b) root surface changes following Er YAG and Er Cr YSGG application c) comparative studies of the Er YAG, Er Cr YSGG lasers versus conventional methods of root surface modification d) Bio compatibility of root surface following Erbium laser treatment e) Studies on the combined efficacy of laser root modification with conventional methods towards root surface bio-modification f) Studies on effectiveness of root surface bio-modification prior to root coverage procedures. In conclusion, the erbium family has a proven anti-bacterial action, predictable calculus removal, minimal root substance removal, and appears to favor cell attachment. The Erbium family of lasers appears to be a useful adjunct for the management of periodontal disease. PMID:25713635

  19. Photoluminescence in silicon implanted with erbium ions at an elevated temperature

    SciTech Connect

    Sobolev, N. A. Kalyadin, A. E.; Shek, E. I.; Sakharov, V. I.; Serenkov, I. T.; Vdovin, V. I.; Parshin, E. O.; Makoviichuk, M. I.

    2011-08-15

    Photoluminescence spectra of n-type silicon upon implantation with erbium ions at 600 Degree-Sign C and oxygen ions at room temperature and subsequent annealings at 1100 Degree-Sign C in a chlorine-containing atmosphere have been studied. Depending on the annealing duration, photoluminescence spectra at 80 K are dominated by lines of the Er{sup 3+} ion or dislocation-related luminescence. The short-wavelength shift of the dislocation-related luminescence line observed at this temperature is due to implantation of erbium ions at an elevated temperature. At room temperature, lines of erbium and dislocation-related luminescence are observed in the spectra, but lines of near-band-edge luminescence predominate.

  20. Spin-Coated Erbium-Doped Silica Sol-Gel Films on Silicon

    E-print Network

    Abedrabbo, Sufian; Shet, Sudhakar; Fiory, Anthony; Ravindra, Nuggehalli

    2012-01-01

    This work reports optical functionality contained in, as well as and produced by, thin film coatings. A sol-gel process, formulated with precursor active ingredients of erbium oxide and tetraethylorthosilicate (TEOS), was used for spin-coating thin (~130 nm) erbium-doped (~6 at. %) silica films on single-crystal silicon. Annealed films produce infrared emission in the 1.5-micron band from erbium ions in the film, as well as greatly enhancing (~100X) band-gap emission from the underlying silicon. The distinctly different mechanisms for the two modes of optical activities are interpreted in terms of optical emission theory and modeling; prospects for opto-electronic applications are discussed.

  1. Photoluminescence in semiconductor structures based on butyl-substituted erbium phthalocyanine complexes

    SciTech Connect

    Belogorokhov, I. A. Ryabchikov, Yu. V.; Tikhonov, E. V.; Pushkarev, V. E.; Breusova, M. O.; Tomilova, L. G.; Khokhlov, D. R.

    2008-03-15

    The study is concerned with the luminescence properties of ensembles of semiconductor structures containing organic phthalocyanine molecules with erbium ions as complexing agents. The photoluminescence spectra of the structures of the type of erbium monophthalocyanine, bisphthalocyanine, and triphthalocyanine are recorded. The photoluminescence peaks are detected at the wavelengths 888, 760, and 708 nm (and photon energies 1.4, 1.6, and 1.75 eV) corresponding to electronic transitions within the organic complexes. It is found that, when a metal complexing agent is introduced into the molecular structure of the ligand, the 708 nm luminescence peak becomes unobservable. It is shown that, in the bisphthalocyanine samples, the photoluminescence signal corresponding to transitions from the 4F{sub 9/2} level of erbium ions is enhanced.

  2. Coupling erbium spins to a three-dimensional superconducting cavity at zero magnetic field

    E-print Network

    Yu-Hui Chen; Xavier Fernandez-Gonzalvo; Jevon J. Longdell

    2015-12-11

    We experimentally demonstrate the coupling of an erbium doped crystal to a three-dimensional superconducting cavity of a $10^5$ $Q$-factor at zero magnetic field. A tunable loop-gap resonator is used to match the cavity frequency to the hyperfine transitions of an erbium sample. The observed spectrum differs from what predicted by the published spin Hamiltonian parameters. The narrow cavity linewidth also enables the observations of asymmetric lineshapes of these hyperfine transitions, which are understood as the super-hyperfine interactions between the erbium ions and their adjacent yttrium ions. Such a broadly tunable superconducting cavity architecture, from 1.6 GHz to 4.0 GHz in the current design, is promising in building hybrid quantum systems.

  3. Enhancement of photoluminescence intensity of erbium doped silica containing Ge nanocrystals: distance dependent interactions

    NASA Astrophysics Data System (ADS)

    Manna, S.; Aluguri, R.; Bar, R.; Das, S.; Prtljaga, N.; Pavesi, L.; Ray, S. K.

    2015-01-01

    Photo-physical processes in Er-doped silica glass matrix containing Ge nanocrystals prepared by the sol-gel method are presented in this article. Strong photoluminescence at 1.54 ?m, important for fiber optics telecommunication systems, is observed from the different sol-gel derived glasses at room temperature. We demonstrate that Ge nanocrystals act as strong sensitizers for Er3+ ions emission and the effective Er excitation cross section increases by almost four orders of magnitude with respect to the one without Ge nanocrystals. Rate equations are considered to demonstrate the sensitization of erbium luminescence by Ge nanocrystals. Analyzing the erbium effective excitation cross section, extracted from the flux dependent rise and decay times, a Dexter type of short range energy transfer from a Ge nanocrystal to erbium ion is established.

  4. Enhancement of photoluminescence intensity of erbium doped silica containing Ge nanocrystals: distance dependent interactions.

    PubMed

    Manna, S; Aluguri, R; Bar, R; Das, S; Prtljaga, N; Pavesi, L; Ray, S K

    2015-01-30

    Photo-physical processes in Er-doped silica glass matrix containing Ge nanocrystals prepared by the sol-gel method are presented in this article. Strong photoluminescence at 1.54 ?m, important for fiber optics telecommunication systems, is observed from the different sol-gel derived glasses at room temperature. We demonstrate that Ge nanocrystals act as strong sensitizers for Er(3+) ions emission and the effective Er excitation cross section increases by almost four orders of magnitude with respect to the one without Ge nanocrystals. Rate equations are considered to demonstrate the sensitization of erbium luminescence by Ge nanocrystals. Analyzing the erbium effective excitation cross section, extracted from the flux dependent rise and decay times, a Dexter type of short range energy transfer from a Ge nanocrystal to erbium ion is established. PMID:25558802

  5. Coupling erbium spins to a three-dimensional superconducting cavity at zero magnetic field

    E-print Network

    Chen, Yu-Hui; Longdell, Jevon J

    2015-01-01

    We experimentally demonstrate the coupling of an erbium doped crystal to a three-dimensional superconducting cavity of a $10^5$ $Q$-factor at zero magnetic field. A tunable loop-gap resonator is used to match the cavity frequency to the hyperfine transitions of an erbium sample. The observed spectrum differs from what predicted by the published spin Hamiltonian parameters. The narrow cavity linewidth also enables the observations of asymmetric lineshapes of these hyperfine transitions, which are understood as the super-hyperfine interactions between the erbium ions and their adjacent yttrium ions. Such a broadly tunable superconducting cavity architecture, from 1.6 GHz to 4.0 GHz in the current design, is promising in building hybrid quantum systems.

  6. In vitro application of optical transmission systems in erbium:YAG laser temporomandibular joint surgery

    NASA Astrophysics Data System (ADS)

    Nuebler-Moritz, Michael; Hering, Peter; Niederdellmann, Herbert; Deuerling, Christian; Dammer, Ralf

    1995-05-01

    The experimental setup of this study is focused on the changes in temporomandibular joint tissue after irradiation with an Erbium:YAG laser. Initially, the free-running beam from the laser was focused onto freshly excised porcine tissue samples, indicating an optimum average energy density and pulse duration for the purpose of temporomandibular joint surgery of about 15 - 60 J/cm2 and 120 microsecond(s) - 240 microsecond(s) , respectively. Consecutively, an attempt was made to couple the Erbium:YAG laser beam on the one hand to optical fibers made of infrared-transmitting glasses (fluoride- and chalcogenide-based), on the other hand to a recently developed sapphire and liquid core fiber, respectively. From the preliminary observations of this investigation it appears that both the liquid core and the sapphire fiber are the most promising candidates for delivery of Erbium-YAG laser radiation in arthroscopic surgery of the craniomandibular articulation.

  7. Low-temperature growth of silicon epitaxial layers codoped with erbium and oxygen atoms

    SciTech Connect

    Shengurov, D. V.; Chalkov, V. Yu.; Denisov, S. A.; Shengurov, V. G.; Stepikhova, M. V.; Drozdov, M. N.; Krasilnik, Z. F.

    2013-03-15

    The fabrication technology and properties of light-emitting Si structures codoped with erbium and oxygen are reported. The layers are deposited onto (100) Si by molecular beam epitaxy (MBE) using an Er-doped silicon sublimation source. The partial pressure of the oxygen-containing gases in the growth chamber of the MBE facility before layer growth is lower than 5 Multiplication-Sign 10{sup -10} Torr. The oxygen and erbium concentrations in the Si layers grown at 450 Degree-Sign C is {approx}1 Multiplication-Sign 10{sup 19} and 10{sup 18} cm{sup -3}, respectively. The silicon epitaxial layers codoped with erbium and oxygen have high crystal quality and yield effective photoluminescence and electroluminescence signals with the dominant optically active Er-1 center forming upon postgrowth annealing at a temperature of 800 Degree-Sign C.

  8. Hydrogen diffusion along grain boundaries in erbium oxide coatings

    NASA Astrophysics Data System (ADS)

    Mao, Wei; Chikada, Takumi; Suzuki, Akihiro; Terai, Takayuki

    2014-12-01

    Diffusion of interstitial atomic hydrogen in erbium oxide (Er2O3) was investigated using density functional theory (DFT) and molecular dynamics (MD) methods. Hydrogen diffusivity in bulk, on (0 0 1) surface, and along ?13 (4-3-1)/[1 1 1] symmetric tilt grain boundaries (GBs) were evaluated in a temperature range of 673-1073 K, as well as hydrogen diffusion barriers. It was found that H diffusion shows the faster on (0 0 1) surface than along GBs and in bulk. Also, energy barrier of H diffusion in bulk estimated by DFT and MD methods is somewhat higher than that along GBs evaluated in the experiments. This suggests that H diffusion in Er2O3 coatings depends on GBs rather than bulk. In addition, with a correction of GB density, the simulated diffusivity along GBs in MD simulations is in good agreement with the experimental data within one order of magnitude. The discrepancy of H diffusivity between the experiments and the simulations should be reduced by considering H concentration, H diffusion direction, deviations of the initial configuration, vacancy defects, etc.

  9. Optical addressing of an individual erbium ion in silicon

    E-print Network

    Chunming Yin; Milos Rancic; Gabriele G. de Boo; Nikolas Stavrias; Jeffrey C. McCallum; Matthew J. Sellars; Sven Rogge

    2013-04-09

    The detection of electron spins associated with single defects in solids is a critical operation for a range of quantum information and measurement applications currently under development. To date, it has only been accomplished for two centres in crystalline solids: phosphorus in silicon using electrical readout based on a single electron transistor (SET) and nitrogen-vacancy centres in diamond using optical readout. A spin readout fidelity of about 90% has been demonstrated with both electrical readout and optical readout, however, the thermal limitations of the electrical readout and the poor photon collection efficiency of the optical readout hinder achieving the high fidelity required for quantum information applications. Here we demonstrate a hybrid approach using optical excitation to change the charge state of the defect centre in a silicon-based SET, conditional on its spin state, and then detecting this change electrically. The optical frequency addressing in high spectral resolution conquers the thermal broadening limitation of the previous electrical readout and charge sensing avoids the difficulties of efficient photon collection. This is done with erbium in silicon and has the potential to enable new architectures for quantum information processing devices and to dramatically increase the range of defect centres that can be exploited. Further, the efficient electrical detection of the optical excitation of single sites in silicon is a major step in developing an interconnect between silicon and optical based quantum computing technologies.

  10. Refractive index of erbium doped GaN thin films

    SciTech Connect

    Alajlouni, S.; Sun, Z. Y.; Li, J.; Lin, J. Y.; Jiang, H. X.; Zavada, J. M.

    2014-08-25

    GaN is an excellent host for erbium (Er) to provide optical emission in the technologically important as well as eye-safe 1540?nm wavelength window. Er doped GaN (GaN:Er) epilayers were synthesized on c-plane sapphire substrates using metal organic chemical vapor deposition. By employing a pulsed growth scheme, the crystalline quality of GaN:Er epilayers was significantly improved over those obtained by conventional growth method of continuous flow of reaction precursors. X-ray diffraction rocking curve linewidths of less than 300?arc sec were achieved for the GaN (0002) diffraction peak, which is comparable to the typical results of undoped high quality GaN epilayers and represents a major improvement over previously reported results for GaN:Er. Spectroscopic ellipsometry was used to determine the refractive index of the GaN:Er epilayers in the 1540?nm wavelength window and a linear dependence on Er concentration was found. The observed refractive index increase with Er incorporation and the improved crystalline quality of the GaN:Er epilayers indicate that low loss GaN:Er optical waveguiding structures are feasible.

  11. Erbium doped aluminum nitride nanoparticles for nano-thermometer applications

    NASA Astrophysics Data System (ADS)

    Pandya, Sneha G.; Kordesch, Martin E.

    2015-06-01

    We have synthesized nanoparticles (NPs) of aluminum nitride (AlN) doped in situ with erbium (Er) using the inert gas condensation technique. These NPs have optical properties that make them good candidates for nanoscale temperature sensors. The photoluminescence (PL) spectrum of Er3+ in these NPs shows two emission peaks in the green region at around 540 and 560 nm. The ratio of the intensities of these luminescence peaks is related to temperature. Using Boltzmann’s distribution, the temperature of the NP and its surrounding can be calculated. The NPs were directly deposited on (111) p-type silicon wafers, transmission electron microscope grids and glass cover slips. XRD and HRTEM study indicates that most of the NPs have crystalline hexagonal AlN structure. An enhancement of the luminescence from these NPs was observed after heating in-air at 770 K for 3 h. The sample was then heated in air using a scanning optical microscope laser. The corresponding change in PL peak intensities of the NPs was recorded for laser powers ranging from 0.2 to 15.1 mW. Temperature calculated using the Boltzmann’s distribution was in the range of 300-470 K. This temperature range is of interest for semiconductor device heating and for thermal treatment of cancerous cells, for example.

  12. Annular-cladding erbium doped multicore fiber for SDM amplification.

    PubMed

    Jin, Cang; Ung, Bora; Messaddeq, Younès; LaRochelle, Sophie

    2015-11-16

    We propose and numerically investigate annular-cladding erbium doped multicore fibers (AC-EDMCF) with either solid or air hole inner cladding to enhance the pump power efficiency in optical amplifiers for spatial division multiplexing (SDM) transmission links. We first propose an all-glass fiber in which a central inner cladding region with a depressed refractive index is introduced to confine the pump inside a ring-shaped region overlapping the multiple signal cores. Through numerical simulations, we determine signal core and annular pump cladding parameters respecting fabrication constraints. We also propose and examine a multi-spot injection scheme for launching the pump in the annular cladding. With this all-glass fiber with annular cladding, our results predict 10 dB increase in gain and 21% pump power savings compared to the standard double cladding design. We also investigate a fiber with an air hole inner cladding to further enhance the pump power confinement and minimize power leaking into the inner cladding. The results are compared to the all-glass AC-EDMCF. PMID:26698447

  13. Erbium doped optical fiber lasers for magnetic field sensing

    NASA Astrophysics Data System (ADS)

    Nascimento, I. M.; Baptista, J. M.; Jorge, P. A. S.; Cruz, J. L.; Andrés, M. V.

    2015-09-01

    In this work two erbium doped optical fiber laser configurations for magnetic field measurement are implemented and compared. The first laser is set-up in a loop configuration and requires only a single FBG (Fiber Bragg Grating), acting as mirror. A second laser employs a simpler linear cavity configuration but requires two FBGs with spectral overlap to form the laser cavity. A bulk magnetostrictive material made of Terfenol-D is attached to the laser FBGs enabling modulation of its operation wavelength by the magnetic field. Moreover, a passive interferometer was developed to demodulate the AC magnetic field information where the corresponding demodulation algorithms were software based. Both configurations are tested and compared with the results showing different sensitivities and resolutions. Better performance was accomplished with the double FBGs linear cavity configuration with a resolution of 0.05 mTRMS in the range of 8 to 16 mTRMS. For the same range the loop configuration attained a resolution of 0.48 mTRMS.

  14. Electroluminescence efficiencies of erbium in silicon-based hosts

    SciTech Connect

    Cueff, Sébastien E-mail: christophe.labbe@ensicaen.fr; Manel Ramírez, Joan; Berencén, Yonder; Garrido, Blas; Kurvits, Jonathan A.; Zia, Rashid; Department of Physics, Brown University, Providence, Rhode Island 02912 ; Rizk, Richard; Labbé, Christophe E-mail: christophe.labbe@ensicaen.fr

    2013-11-04

    We report on room-temperature 1.5??m electroluminescence from trivalent erbium (Er{sup 3+}) ions embedded in three different CMOS-compatible silicon-based hosts: SiO{sub 2}, Si{sub 3}N{sub 4}, and SiN{sub x}. We show that although the insertion of either nitrogen or excess silicon helps enhance electrical conduction and reduce the onset voltage for electroluminescence, it drastically decreases the external quantum efficiency of Er{sup 3+} ions from 2% in SiO{sub 2} to 0.001% and 0.0004% in SiN{sub x} and Si{sub 3}N{sub 4}, respectively. Furthermore, we present strong evidence that hot carrier injection is significantly more efficient than defect-assisted conduction for the electrical excitation of Er{sup 3+} ions. These results suggest strategies to optimize the engineering of on-chip electrically excited silicon-based nanophotonic light sources.

  15. Advanced experiments with an erbium-doped fiber laser

    NASA Astrophysics Data System (ADS)

    Marques, Paulo V. S.; Marques, Manuel B.; Rosa, Carla C.

    2014-07-01

    This communication describes an optical hands-on fiber laser experiment aimed at advanced college courses. Optical amplifiers and laser sources represent very important optical devices in numerous applications ranging from telecommunications to medicine. The study of advanced photonics experiments is particularly relevant at undergraduate and master level. This paper discusses the implementation of an optical fiber laser made with a cavity built with two tunable Bragg gratings. This scheme allows the students to understand the laser working principles as a function of the laser cavity set-up. One or both of the gratings can be finely tuned in wavelength through applied stress; therefore, the degree of spectral mismatch of the two gratings can be adjusted, effectively changing the cavity feedback. The impact of the cavity conditions on the laser threshold, spectrum and efficiency is analyzed. This experiment assumes that in a previous practice, the students should had already characterized the erbium doped fiber in terms of absorption and fluorescent spectra, and the spectral gain as a function of pump power.

  16. 22 CFR 219.152-219.159 - [Reserved

    Code of Federal Regulations, 2014 CFR

    2014-04-01

    ... 22 Foreign Relations 1 2014-04-01 2014-04-01 false 219.152-219.159 Section 219.152-219.159 Foreign Relations AGENCY FOR INTERNATIONAL DEVELOPMENT ENFORCEMENT OF NONDISCRIMINATION ON THE BASIS OF HANDICAP IN PROGRAMS OR ACTIVITIES CONDUCTED BY INTERNATIONAL DEVELOPMENT COOPERATION AGENCY, AGENCY FOR...

  17. 22 CFR 219.152-219.159 - [Reserved

    Code of Federal Regulations, 2012 CFR

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    ... 22 Foreign Relations 1 2012-04-01 2012-04-01 false 219.152-219.159 Section 219.152-219.159 Foreign Relations AGENCY FOR INTERNATIONAL DEVELOPMENT ENFORCEMENT OF NONDISCRIMINATION ON THE BASIS OF HANDICAP IN PROGRAMS OR ACTIVITIES CONDUCTED BY INTERNATIONAL DEVELOPMENT COOPERATION AGENCY, AGENCY FOR INTERNATIONAL DEVELOPMENT §§...

  18. 22 CFR 219.152-219.159 - [Reserved

    Code of Federal Regulations, 2011 CFR

    2011-04-01

    ... 22 Foreign Relations 1 2011-04-01 2011-04-01 false 219.152-219.159 Section 219.152-219.159 Foreign Relations AGENCY FOR INTERNATIONAL DEVELOPMENT ENFORCEMENT OF NONDISCRIMINATION ON THE BASIS OF HANDICAP IN PROGRAMS OR ACTIVITIES CONDUCTED BY INTERNATIONAL DEVELOPMENT COOPERATION AGENCY, AGENCY FOR INTERNATIONAL DEVELOPMENT §§...

  19. 22 CFR 219.152-219.159 - [Reserved

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... 22 Foreign Relations 1 2010-04-01 2010-04-01 false 219.152-219.159 Section 219.152-219.159 Foreign Relations AGENCY FOR INTERNATIONAL DEVELOPMENT ENFORCEMENT OF NONDISCRIMINATION ON THE BASIS OF HANDICAP IN PROGRAMS OR ACTIVITIES CONDUCTED BY INTERNATIONAL DEVELOPMENT COOPERATION AGENCY, AGENCY FOR INTERNATIONAL DEVELOPMENT §§...

  20. 22 CFR 219.152-219.159 - [Reserved

    Code of Federal Regulations, 2013 CFR

    2013-04-01

    ... 22 Foreign Relations 1 2013-04-01 2013-04-01 false 219.152-219.159 Section 219.152-219.159 Foreign Relations AGENCY FOR INTERNATIONAL DEVELOPMENT ENFORCEMENT OF NONDISCRIMINATION ON THE BASIS OF HANDICAP IN PROGRAMS OR ACTIVITIES CONDUCTED BY INTERNATIONAL DEVELOPMENT COOPERATION AGENCY, AGENCY FOR INTERNATIONAL DEVELOPMENT §§...

  1. 25 CFR 152.35 - Deferred payment sales.

    Code of Federal Regulations, 2013 CFR

    2013-04-01

    ... 25 Indians 1 2013-04-01 2013-04-01 false Deferred payment sales. 152.35 Section 152.35 Indians BUREAU OF INDIAN AFFAIRS, DEPARTMENT OF THE INTERIOR LAND AND WATER ISSUANCE OF PATENTS IN FEE, CERTIFICATES OF COMPETENCY, REMOVAL OF RESTRICTIONS, AND SALE OF CERTAIN INDIAN LANDS Mortgages and Deeds of Trust to Secure Loans to Indians §...

  2. 25 CFR 152.35 - Deferred payment sales.

    Code of Federal Regulations, 2012 CFR

    2012-04-01

    ... 25 Indians 1 2012-04-01 2011-04-01 true Deferred payment sales. 152.35 Section 152.35 Indians BUREAU OF INDIAN AFFAIRS, DEPARTMENT OF THE INTERIOR LAND AND WATER ISSUANCE OF PATENTS IN FEE, CERTIFICATES OF COMPETENCY, REMOVAL OF RESTRICTIONS, AND SALE OF CERTAIN INDIAN LANDS Mortgages and Deeds of Trust to Secure Loans to Indians §...

  3. 25 CFR 152.35 - Deferred payment sales.

    Code of Federal Regulations, 2014 CFR

    2014-04-01

    ... 25 Indians 1 2014-04-01 2014-04-01 false Deferred payment sales. 152.35 Section 152.35 Indians BUREAU OF INDIAN AFFAIRS, DEPARTMENT OF THE INTERIOR LAND AND WATER ISSUANCE OF PATENTS IN FEE, CERTIFICATES OF COMPETENCY, REMOVAL OF RESTRICTIONS, AND SALE OF CERTAIN INDIAN LANDS Mortgages and Deeds of Trust to Secure Loans to Indians §...

  4. 14 CFR 152.321 - Notice of delay or acceleration.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... 14 Aeronautics and Space 3 2013-01-01 2013-01-01 false Notice of delay or acceleration. 152.321 Section 152.321 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION... acceleration. (a) The sponsor or planning agency shall promptly notify the FAA of each condition or event...

  5. 14 CFR 152.321 - Notice of delay or acceleration.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... 14 Aeronautics and Space 3 2014-01-01 2014-01-01 false Notice of delay or acceleration. 152.321 Section 152.321 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION... acceleration. (a) The sponsor or planning agency shall promptly notify the FAA of each condition or event...

  6. 10 CFR 431.152 - Definitions concerning commercial clothes washers.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... 10 Energy 3 2014-01-01 2014-01-01 false Definitions concerning commercial clothes washers. 431.152 Section 431.152 Energy DEPARTMENT OF ENERGY ENERGY CONSERVATION ENERGY EFFICIENCY PROGRAM FOR CERTAIN... efficiency, water consumption, or water efficiency. Commercial clothes washer means a soft-mounted...

  7. 10 CFR 431.152 - Definitions concerning commercial clothes washers.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... 10 Energy 3 2013-01-01 2013-01-01 false Definitions concerning commercial clothes washers. 431.152 Section 431.152 Energy DEPARTMENT OF ENERGY ENERGY CONSERVATION ENERGY EFFICIENCY PROGRAM FOR CERTAIN... efficiency, water consumption, or water efficiency. Commercial clothes washer means a soft-mounted...

  8. 10 CFR 431.152 - Definitions concerning commercial clothes washers.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... 10 Energy 3 2012-01-01 2012-01-01 false Definitions concerning commercial clothes washers. 431.152 Section 431.152 Energy DEPARTMENT OF ENERGY ENERGY CONSERVATION ENERGY EFFICIENCY PROGRAM FOR CERTAIN... efficiency, water consumption, or water efficiency. Commercial clothes washer means a soft-mounted...

  9. 19 CFR 201.152-201.159 - [Reserved

    Code of Federal Regulations, 2013 CFR

    2013-04-01

    ... 19 Customs Duties 3 2013-04-01 2013-04-01 false 201.152-201.159 Section 201.152-201.159 Customs Duties UNITED STATES INTERNATIONAL TRADE COMMISSION GENERAL RULES OF GENERAL APPLICATION Enforcement of Nondiscrimination on the Basis of Handicap in Programs or Activities Conducted by the U.S. International...

  10. 19 CFR 201.152-201.159 - [Reserved

    Code of Federal Regulations, 2012 CFR

    2012-04-01

    ... 19 Customs Duties 3 2012-04-01 2012-04-01 false 201.152-201.159 Section 201.152-201.159 Customs Duties UNITED STATES INTERNATIONAL TRADE COMMISSION GENERAL RULES OF GENERAL APPLICATION Enforcement of Nondiscrimination on the Basis of Handicap in Programs or Activities Conducted by the U.S. International...

  11. 19 CFR 201.152-201.159 - [Reserved

    Code of Federal Regulations, 2011 CFR

    2011-04-01

    ... 19 Customs Duties 3 2011-04-01 2011-04-01 false 201.152-201.159 Section 201.152-201.159 Customs Duties UNITED STATES INTERNATIONAL TRADE COMMISSION GENERAL RULES OF GENERAL APPLICATION Enforcement of Nondiscrimination on the Basis of Handicap in Programs or Activities Conducted by the U.S. International...

  12. 19 CFR 201.152-201.159 - [Reserved

    Code of Federal Regulations, 2014 CFR

    2014-04-01

    ... 19 Customs Duties 3 2014-04-01 2014-04-01 false 201.152-201.159 Section 201.152-201.159 Customs Duties UNITED STATES INTERNATIONAL TRADE COMMISSION GENERAL RULES OF GENERAL APPLICATION Enforcement of Nondiscrimination on the Basis of Handicap in Programs or Activities Conducted by the U.S. International...

  13. 19 CFR 201.152-201.159 - [Reserved

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... 19 Customs Duties 3 2010-04-01 2010-04-01 false 201.152-201.159 Section 201.152-201.159 Customs Duties UNITED STATES INTERNATIONAL TRADE COMMISSION GENERAL RULES OF GENERAL APPLICATION Enforcement of Nondiscrimination on the Basis of Handicap in Programs or Activities Conducted by the U.S. International...

  14. 14 CFR 152.323 - Budget revision: Airport development.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... 14 Aeronautics and Space 3 2010-01-01 2010-01-01 false Budget revision: Airport development. 152.323 Section 152.323 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF... revision: Airport development. (a) If any performance review conducted by the sponsor discloses a need...

  15. 14 CFR 152.323 - Budget revision: Airport development.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... 14 Aeronautics and Space 3 2012-01-01 2012-01-01 false Budget revision: Airport development. 152.323 Section 152.323 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF... revision: Airport development. (a) If any performance review conducted by the sponsor discloses a need...

  16. 14 CFR 152.103 - Sponsors: Airport development.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... 14 Aeronautics and Space 3 2010-01-01 2010-01-01 false Sponsors: Airport development. 152.103 Section 152.103 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION... Sponsors: Airport development. (a) To be eligible to apply for a project for airport development...

  17. 14 CFR 152.103 - Sponsors: Airport development.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... 14 Aeronautics and Space 3 2012-01-01 2012-01-01 false Sponsors: Airport development. 152.103 Section 152.103 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION... Sponsors: Airport development. (a) To be eligible to apply for a project for airport development...

  18. 14 CFR 152.323 - Budget revision: Airport development.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... 14 Aeronautics and Space 3 2013-01-01 2013-01-01 false Budget revision: Airport development. 152.323 Section 152.323 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF... revision: Airport development. (a) If any performance review conducted by the sponsor discloses a need...

  19. 14 CFR 152.323 - Budget revision: Airport development.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... 14 Aeronautics and Space 3 2014-01-01 2014-01-01 false Budget revision: Airport development. 152.323 Section 152.323 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF... revision: Airport development. (a) If any performance review conducted by the sponsor discloses a need...

  20. 32 CFR 1906.152-1906.159 - [Reserved

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 32 National Defense 6 2012-07-01 2012-07-01 false 1906.152-1906.159 Section 1906.152-1906.159 National Defense Other Regulations Relating to National Defense CENTRAL INTELLIGENCE AGENCY ENFORCEMENT OF NONDISCRIMINATION ON THE BASIS OF HANDICAP IN PROGRAMS OR ACTIVITIES CONDUCTED BY THE CENTRAL INTELLIGENCE...

  1. 32 CFR 1906.152-1906.159 - [Reserved

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    2013-07-01

    ... 32 National Defense 6 2013-07-01 2013-07-01 false 1906.152-1906.159 Section 1906.152-1906.159 National Defense Other Regulations Relating to National Defense CENTRAL INTELLIGENCE AGENCY ENFORCEMENT OF NONDISCRIMINATION ON THE BASIS OF HANDICAP IN PROGRAMS OR ACTIVITIES CONDUCTED BY THE CENTRAL INTELLIGENCE...

  2. 32 CFR 1906.152-1906.159 - [Reserved

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 32 National Defense 6 2014-07-01 2014-07-01 false 1906.152-1906.159 Section 1906.152-1906.159 National Defense Other Regulations Relating to National Defense CENTRAL INTELLIGENCE AGENCY ENFORCEMENT OF NONDISCRIMINATION ON THE BASIS OF HANDICAP IN PROGRAMS OR ACTIVITIES CONDUCTED BY THE CENTRAL INTELLIGENCE...

  3. 45 CFR 152.22 - Access to services.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ... 45 Public Welfare 1 2010-10-01 2010-10-01 false Access to services. 152.22 Section 152.22 Public Welfare DEPARTMENT OF HEALTH AND HUMAN SERVICES REQUIREMENTS RELATING TO HEALTH CARE ACCESS PRE-EXISTING... services, such services must be covered out of network if: (1) The enrollee had a reasonable concern...

  4. 40 CFR 152.86 - The cite-all method.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 40 Protection of Environment 24 2011-07-01 2011-07-01 false The cite-all method. 152.86 Section...' Rights § 152.86 The cite-all method. An applicant may comply with this subpart by citing all data in... following data: (1) All data submitted with or specifically cited in the application; and (2) Each...

  5. 40 CFR 152.86 - The cite-all method.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 40 Protection of Environment 23 2010-07-01 2010-07-01 false The cite-all method. 152.86 Section...' Rights § 152.86 The cite-all method. An applicant may comply with this subpart by citing all data in... following data: (1) All data submitted with or specifically cited in the application; and (2) Each...

  6. 21 CFR 146.152 - Orange juice with preservative.

    Code of Federal Regulations, 2014 CFR

    2014-04-01

    ... 21 Food and Drugs 2 2014-04-01 2014-04-01 false Orange juice with preservative. 146.152 Section... Fruit Juices and Beverages § 146.152 Orange juice with preservative. (a) Orange juice with preservative... of orange juice for manufacturing as provided for in § 146.151, except that a preservative is...

  7. 21 CFR 146.152 - Orange juice with preservative.

    Code of Federal Regulations, 2012 CFR

    2012-04-01

    ... 21 Food and Drugs 2 2012-04-01 2012-04-01 false Orange juice with preservative. 146.152 Section... Fruit Juices and Beverages § 146.152 Orange juice with preservative. (a) Orange juice with preservative... of orange juice for manufacturing as provided for in § 146.151, except that a preservative is...

  8. 21 CFR 146.152 - Orange juice with preservative.

    Code of Federal Regulations, 2013 CFR

    2013-04-01

    ... 21 Food and Drugs 2 2013-04-01 2013-04-01 false Orange juice with preservative. 146.152 Section... Fruit Juices and Beverages § 146.152 Orange juice with preservative. (a) Orange juice with preservative... of orange juice for manufacturing as provided for in § 146.151, except that a preservative is...

  9. 42 CFR 422.152 - Quality improvement program.

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ... 42 Public Health 3 2011-10-01 2011-10-01 false Quality improvement program. 422.152 Section 422... (CONTINUED) MEDICARE PROGRAM MEDICARE ADVANTAGE PROGRAM Quality Improvement § 422.152 Quality improvement... those plans, an ongoing quality improvement program that meets applicable requirements of this...

  10. 45 CFR 152.27 - Fraud, waste, and abuse.

    Code of Federal Regulations, 2013 CFR

    2013-10-01

    ...2013-10-01 2013-10-01 false Fraud, waste, and abuse. 152.27 Section...PLAN PROGRAM Oversight § 152.27 Fraud, waste, and abuse. (a) Procedures...promptly report to HHS incidences of waste, fraud, and abuse, and to appropriate law...

  11. 45 CFR 152.27 - Fraud, waste, and abuse.

    Code of Federal Regulations, 2014 CFR

    2014-10-01

    ...2014-10-01 2014-10-01 false Fraud, waste, and abuse. 152.27 Section...PLAN PROGRAM Oversight § 152.27 Fraud, waste, and abuse. (a) Procedures...promptly report to HHS incidences of waste, fraud, and abuse, and to appropriate law...

  12. 45 CFR 152.27 - Fraud, waste, and abuse.

    Code of Federal Regulations, 2012 CFR

    2012-10-01

    ...2012-10-01 2012-10-01 false Fraud, waste, and abuse. 152.27 Section...PLAN PROGRAM Oversight § 152.27 Fraud, waste, and abuse. (a) Procedures...promptly report to HHS incidences of waste, fraud, and abuse, and to appropriate law...

  13. 45 CFR 152.27 - Fraud, waste, and abuse.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ...2010-10-01 2010-10-01 false Fraud, waste, and abuse. 152.27 Section...PLAN PROGRAM Oversight § 152.27 Fraud, waste, and abuse. (a) Procedures...promptly report to HHS incidences of waste, fraud, and abuse, and to appropriate law...

  14. 45 CFR 152.27 - Fraud, waste, and abuse.

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ...2011-10-01 2011-10-01 false Fraud, waste, and abuse. 152.27 Section...PLAN PROGRAM Oversight § 152.27 Fraud, waste, and abuse. (a) Procedures...promptly report to HHS incidences of waste, fraud, and abuse, and to appropriate law...

  15. 22 CFR 1600.152-1600.159 - [Reserved

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... 22 Foreign Relations 2 2010-04-01 2010-04-01 true 1600.152-1600.159 Section 1600.152-1600.159 Foreign Relations JAPAN-UNITED STATES FRIENDSHIP COMMISSION ENFORCEMENT OF NONDISCRIMINATION ON THE BASIS OF HANDICAP IN PROGRAMS OR ACTIVITIES CONDUCTED BY THE JAPAN-UNITED STATES FRIENDSHIP...

  16. 25 CFR 152.4 - Application for patent in fee.

    Code of Federal Regulations, 2011 CFR

    2011-04-01

    ... 25 Indians 1 2011-04-01 2011-04-01 false Application for patent in fee. 152.4 Section 152.4 Indians BUREAU OF INDIAN AFFAIRS, DEPARTMENT OF THE INTERIOR LAND AND WATER ISSUANCE OF PATENTS IN FEE, CERTIFICATES OF COMPETENCY, REMOVAL OF RESTRICTIONS, AND SALE OF CERTAIN INDIAN LANDS Issuing Patents in...

  17. 25 CFR 152.5 - Issuance of patent in fee.

    Code of Federal Regulations, 2011 CFR

    2011-04-01

    ... 25 Indians 1 2011-04-01 2011-04-01 false Issuance of patent in fee. 152.5 Section 152.5 Indians BUREAU OF INDIAN AFFAIRS, DEPARTMENT OF THE INTERIOR LAND AND WATER ISSUANCE OF PATENTS IN FEE, CERTIFICATES OF COMPETENCY, REMOVAL OF RESTRICTIONS, AND SALE OF CERTAIN INDIAN LANDS Issuing Patents in...

  18. 25 CFR 152.5 - Issuance of patent in fee.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... 25 Indians 1 2010-04-01 2010-04-01 false Issuance of patent in fee. 152.5 Section 152.5 Indians BUREAU OF INDIAN AFFAIRS, DEPARTMENT OF THE INTERIOR LAND AND WATER ISSUANCE OF PATENTS IN FEE, CERTIFICATES OF COMPETENCY, REMOVAL OF RESTRICTIONS, AND SALE OF CERTAIN INDIAN LANDS Issuing Patents in...

  19. 25 CFR 152.4 - Application for patent in fee.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... 25 Indians 1 2010-04-01 2010-04-01 false Application for patent in fee. 152.4 Section 152.4 Indians BUREAU OF INDIAN AFFAIRS, DEPARTMENT OF THE INTERIOR LAND AND WATER ISSUANCE OF PATENTS IN FEE, CERTIFICATES OF COMPETENCY, REMOVAL OF RESTRICTIONS, AND SALE OF CERTAIN INDIAN LANDS Issuing Patents in...

  20. 25 CFR 152.5 - Issuance of patent in fee.

    Code of Federal Regulations, 2013 CFR

    2013-04-01

    ... 25 Indians 1 2013-04-01 2013-04-01 false Issuance of patent in fee. 152.5 Section 152.5 Indians BUREAU OF INDIAN AFFAIRS, DEPARTMENT OF THE INTERIOR LAND AND WATER ISSUANCE OF PATENTS IN FEE, CERTIFICATES OF COMPETENCY, REMOVAL OF RESTRICTIONS, AND SALE OF CERTAIN INDIAN LANDS Issuing Patents in...

  1. 25 CFR 152.4 - Application for patent in fee.

    Code of Federal Regulations, 2013 CFR

    2013-04-01

    ... 25 Indians 1 2013-04-01 2013-04-01 false Application for patent in fee. 152.4 Section 152.4 Indians BUREAU OF INDIAN AFFAIRS, DEPARTMENT OF THE INTERIOR LAND AND WATER ISSUANCE OF PATENTS IN FEE, CERTIFICATES OF COMPETENCY, REMOVAL OF RESTRICTIONS, AND SALE OF CERTAIN INDIAN LANDS Issuing Patents in...

  2. 25 CFR 152.4 - Application for patent in fee.

    Code of Federal Regulations, 2014 CFR

    2014-04-01

    ... 25 Indians 1 2014-04-01 2014-04-01 false Application for patent in fee. 152.4 Section 152.4 Indians BUREAU OF INDIAN AFFAIRS, DEPARTMENT OF THE INTERIOR LAND AND WATER ISSUANCE OF PATENTS IN FEE, CERTIFICATES OF COMPETENCY, REMOVAL OF RESTRICTIONS, AND SALE OF CERTAIN INDIAN LANDS Issuing Patents in...

  3. 25 CFR 152.5 - Issuance of patent in fee.

    Code of Federal Regulations, 2012 CFR

    2012-04-01

    ... 25 Indians 1 2012-04-01 2011-04-01 true Issuance of patent in fee. 152.5 Section 152.5 Indians BUREAU OF INDIAN AFFAIRS, DEPARTMENT OF THE INTERIOR LAND AND WATER ISSUANCE OF PATENTS IN FEE, CERTIFICATES OF COMPETENCY, REMOVAL OF RESTRICTIONS, AND SALE OF CERTAIN INDIAN LANDS Issuing Patents in...

  4. 25 CFR 152.5 - Issuance of patent in fee.

    Code of Federal Regulations, 2014 CFR

    2014-04-01

    ... 25 Indians 1 2014-04-01 2014-04-01 false Issuance of patent in fee. 152.5 Section 152.5 Indians BUREAU OF INDIAN AFFAIRS, DEPARTMENT OF THE INTERIOR LAND AND WATER ISSUANCE OF PATENTS IN FEE, CERTIFICATES OF COMPETENCY, REMOVAL OF RESTRICTIONS, AND SALE OF CERTAIN INDIAN LANDS Issuing Patents in...

  5. 25 CFR 152.4 - Application for patent in fee.

    Code of Federal Regulations, 2012 CFR

    2012-04-01

    ... 25 Indians 1 2012-04-01 2011-04-01 true Application for patent in fee. 152.4 Section 152.4 Indians BUREAU OF INDIAN AFFAIRS, DEPARTMENT OF THE INTERIOR LAND AND WATER ISSUANCE OF PATENTS IN FEE, CERTIFICATES OF COMPETENCY, REMOVAL OF RESTRICTIONS, AND SALE OF CERTAIN INDIAN LANDS Issuing Patents in...

  6. 12 CFR 152.13 - Combinations involving Federal stock associations.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ...) Definitions. The following definitions apply to §§ 152.13 and 152.14 of this part: (1) Combination. A merger... depository institution whose corporate existence does not continue after a combination. (6) Merger. Uniting... supervisory merger; (ii) The transaction is approved under part 192 of this chapter; (iii) The...

  7. 12 CFR 152.13 - Combinations involving Federal stock associations.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ...) Definitions. The following definitions apply to §§ 152.13 and 152.14 of this part: (1) Combination. A merger... depository institution whose corporate existence does not continue after a combination. (6) Merger. Uniting... supervisory merger; (ii) The transaction is approved under part 192 of this chapter; (iii) The...

  8. 50 CFR 216.152 - Permissible methods of taking.

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ... 50 Wildlife and Fisheries 9 2011-10-01 2011-10-01 false Permissible methods of taking. 216.152 Section 216.152 Wildlife and Fisheries NATIONAL MARINE FISHERIES SERVICE, NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION, DEPARTMENT OF COMMERCE MARINE MAMMALS REGULATIONS GOVERNING THE TAKING AND IMPORTING OF MARINE MAMMALS Taking Of Marine...

  9. 14 CFR 152.313 - Property management standards.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... Attachment N of Office of Management and Budget Circular A-102 (42 FR 45828) for the utilization and... 14 Aeronautics and Space 3 2014-01-01 2014-01-01 false Property management standards. 152.313... (CONTINUED) AIRPORTS AIRPORT AID PROGRAM Accounting and Reporting Requirements § 152.313 Property...

  10. 14 CFR 152.303 - Financial management system.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... meets the standards of Attachment G of Office of Management and Budget Circular A-102 (42 FR 45828). ... 14 Aeronautics and Space 3 2014-01-01 2014-01-01 false Financial management system. 152.303... (CONTINUED) AIRPORTS AIRPORT AID PROGRAM Accounting and Reporting Requirements § 152.303 Financial...

  11. 14 CFR 152.303 - Financial management system.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... meets the standards of Attachment G of Office of Management and Budget Circular A-102 (42 FR 45828). ... 14 Aeronautics and Space 3 2011-01-01 2011-01-01 false Financial management system. 152.303... (CONTINUED) AIRPORTS AIRPORT AID PROGRAM Accounting and Reporting Requirements § 152.303 Financial...

  12. 14 CFR 152.313 - Property management standards.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... Attachment N of Office of Management and Budget Circular A-102 (42 FR 45828) for the utilization and... 14 Aeronautics and Space 3 2010-01-01 2010-01-01 false Property management standards. 152.313... (CONTINUED) AIRPORTS AIRPORT AID PROGRAM Accounting and Reporting Requirements § 152.313 Property...

  13. 14 CFR 152.313 - Property management standards.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... Attachment N of Office of Management and Budget Circular A-102 (42 FR 45828) for the utilization and... 14 Aeronautics and Space 3 2011-01-01 2011-01-01 false Property management standards. 152.313... (CONTINUED) AIRPORTS AIRPORT AID PROGRAM Accounting and Reporting Requirements § 152.313 Property...

  14. 14 CFR 152.303 - Financial management system.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... meets the standards of Attachment G of Office of Management and Budget Circular A-102 (42 FR 45828). ... 14 Aeronautics and Space 3 2012-01-01 2012-01-01 false Financial management system. 152.303... (CONTINUED) AIRPORTS AIRPORT AID PROGRAM Accounting and Reporting Requirements § 152.303 Financial...

  15. 14 CFR 152.313 - Property management standards.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... Attachment N of Office of Management and Budget Circular A-102 (42 FR 45828) for the utilization and... 14 Aeronautics and Space 3 2012-01-01 2012-01-01 false Property management standards. 152.313... (CONTINUED) AIRPORTS AIRPORT AID PROGRAM Accounting and Reporting Requirements § 152.313 Property...

  16. 14 CFR 152.303 - Financial management system.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... meets the standards of Attachment G of Office of Management and Budget Circular A-102 (42 FR 45828). ... 14 Aeronautics and Space 3 2010-01-01 2010-01-01 false Financial management system. 152.303... (CONTINUED) AIRPORTS AIRPORT AID PROGRAM Accounting and Reporting Requirements § 152.303 Financial...

  17. 14 CFR 152.313 - Property management standards.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... Attachment N of Office of Management and Budget Circular A-102 (42 FR 45828) for the utilization and... 14 Aeronautics and Space 3 2013-01-01 2013-01-01 false Property management standards. 152.313... (CONTINUED) AIRPORTS AIRPORT AID PROGRAM Accounting and Reporting Requirements § 152.313 Property...

  18. 14 CFR 152.303 - Financial management system.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... meets the standards of Attachment G of Office of Management and Budget Circular A-102 (42 FR 45828). ... 14 Aeronautics and Space 3 2013-01-01 2013-01-01 false Financial management system. 152.303... (CONTINUED) AIRPORTS AIRPORT AID PROGRAM Accounting and Reporting Requirements § 152.303 Financial...

  19. Copyright 2004 Psychonomic Society, Inc. 152 Perception & Psychophysics

    E-print Network

    Bingham, Geoffrey P.

    were expanded in depth,althoughthere were some individualdifferences, especially in shape perception, however, was compression in depth.Most recently, Bingham(2003)tested distance,size, and shape perceptionCopyright 2004 Psychonomic Society, Inc. 152 Perception & Psychophysics 2004, 66 (1), 152

  20. 25 CFR 152.4 - Application for patent in fee.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ...2010-04-01 false Application for patent in fee. 152.4 Section 152.4...INTERIOR LAND AND WATER ISSUANCE OF PATENTS IN FEE, CERTIFICATES OF COMPETENCY...SALE OF CERTAIN INDIAN LANDS Issuing Patents in Fee, Certificates of Competency...

  1. 25 CFR 152.5 - Issuance of patent in fee.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... 2010-04-01 false Issuance of patent in fee. 152.5 Section 152.5...INTERIOR LAND AND WATER ISSUANCE OF PATENTS IN FEE, CERTIFICATES OF COMPETENCY...SALE OF CERTAIN INDIAN LANDS Issuing Patents in Fee, Certificates of Competency...

  2. 25 CFR 152.4 - Application for patent in fee.

    Code of Federal Regulations, 2011 CFR

    2011-04-01

    ...2011-04-01 false Application for patent in fee. 152.4 Section 152.4...INTERIOR LAND AND WATER ISSUANCE OF PATENTS IN FEE, CERTIFICATES OF COMPETENCY...SALE OF CERTAIN INDIAN LANDS Issuing Patents in Fee, Certificates of Competency...

  3. 25 CFR 152.5 - Issuance of patent in fee.

    Code of Federal Regulations, 2011 CFR

    2011-04-01

    ... 2011-04-01 false Issuance of patent in fee. 152.5 Section 152.5...INTERIOR LAND AND WATER ISSUANCE OF PATENTS IN FEE, CERTIFICATES OF COMPETENCY...SALE OF CERTAIN INDIAN LANDS Issuing Patents in Fee, Certificates of Competency...

  4. 25 CFR 152.5 - Issuance of patent in fee.

    Code of Federal Regulations, 2013 CFR

    2013-04-01

    ... 2013-04-01 false Issuance of patent in fee. 152.5 Section 152.5...INTERIOR LAND AND WATER ISSUANCE OF PATENTS IN FEE, CERTIFICATES OF COMPETENCY...SALE OF CERTAIN INDIAN LANDS Issuing Patents in Fee, Certificates of Competency...

  5. 25 CFR 152.4 - Application for patent in fee.

    Code of Federal Regulations, 2014 CFR

    2014-04-01

    ...2014-04-01 false Application for patent in fee. 152.4 Section 152.4...INTERIOR LAND AND WATER ISSUANCE OF PATENTS IN FEE, CERTIFICATES OF COMPETENCY...SALE OF CERTAIN INDIAN LANDS Issuing Patents in Fee, Certificates of Competency...

  6. 25 CFR 152.5 - Issuance of patent in fee.

    Code of Federal Regulations, 2012 CFR

    2012-04-01

    ... 2011-04-01 true Issuance of patent in fee. 152.5 Section 152.5...INTERIOR LAND AND WATER ISSUANCE OF PATENTS IN FEE, CERTIFICATES OF COMPETENCY...SALE OF CERTAIN INDIAN LANDS Issuing Patents in Fee, Certificates of Competency...

  7. 25 CFR 152.5 - Issuance of patent in fee.

    Code of Federal Regulations, 2014 CFR

    2014-04-01

    ... 2014-04-01 false Issuance of patent in fee. 152.5 Section 152.5...INTERIOR LAND AND WATER ISSUANCE OF PATENTS IN FEE, CERTIFICATES OF COMPETENCY...SALE OF CERTAIN INDIAN LANDS Issuing Patents in Fee, Certificates of Competency...

  8. 14 CFR 152.609 - Energy conservation practices.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... 14 Aeronautics and Space 3 2013-01-01 2013-01-01 false Energy conservation practices. 152.609... (CONTINUED) AIRPORTS AIRPORT AID PROGRAM Energy Conservation in Airport Aid Program § 152.609 Energy conservation practices. Each sponsor shall require fuel and energy conservation practices in the operation...

  9. 14 CFR 152.609 - Energy conservation practices.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... 14 Aeronautics and Space 3 2012-01-01 2012-01-01 false Energy conservation practices. 152.609... (CONTINUED) AIRPORTS AIRPORT AID PROGRAM Energy Conservation in Airport Aid Program § 152.609 Energy conservation practices. Each sponsor shall require fuel and energy conservation practices in the operation...

  10. 14 CFR 152.609 - Energy conservation practices.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... 14 Aeronautics and Space 3 2014-01-01 2014-01-01 false Energy conservation practices. 152.609... (CONTINUED) AIRPORTS AIRPORT AID PROGRAM Energy Conservation in Airport Aid Program § 152.609 Energy conservation practices. Each sponsor shall require fuel and energy conservation practices in the operation...

  11. 14 CFR 152.609 - Energy conservation practices.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... 14 Aeronautics and Space 3 2011-01-01 2011-01-01 false Energy conservation practices. 152.609... (CONTINUED) AIRPORTS AIRPORT AID PROGRAM Energy Conservation in Airport Aid Program § 152.609 Energy conservation practices. Each sponsor shall require fuel and energy conservation practices in the operation...

  12. 14 CFR 152.103 - Sponsors: Airport development.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... 14 Aeronautics and Space 3 2014-01-01 2014-01-01 false Sponsors: Airport development. 152.103 Section 152.103 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION... Sponsors: Airport development. (a) To be eligible to apply for a project for airport development...

  13. 14 CFR 152.103 - Sponsors: Airport development.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... 14 Aeronautics and Space 3 2011-01-01 2011-01-01 false Sponsors: Airport development. 152.103 Section 152.103 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION... Sponsors: Airport development. (a) To be eligible to apply for a project for airport development...

  14. 14 CFR 152.103 - Sponsors: Airport development.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... 14 Aeronautics and Space 3 2013-01-01 2013-01-01 false Sponsors: Airport development. 152.103 Section 152.103 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION... Sponsors: Airport development. (a) To be eligible to apply for a project for airport development...

  15. 14 CFR 152.323 - Budget revision: Airport development.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... 14 Aeronautics and Space 3 2011-01-01 2011-01-01 false Budget revision: Airport development. 152.323 Section 152.323 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF... revision: Airport development. (a) If any performance review conducted by the sponsor discloses a need...

  16. 30 CFR 1218.152 - Fishermen's Contingency Fund.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 30 Mineral Resources 3 2011-07-01 2011-07-01 false Fishermen's Contingency Fund. 1218.152 Section... Oil, Gas and Sulfur, Offshore § 1218.152 Fishermen's Contingency Fund. Upon the establishment of the Fishermen's Contingency Fund, any holder of a lease issued or maintained under the Outer Continental...

  17. 30 CFR 1218.152 - Fishermen's Contingency Fund.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 30 Mineral Resources 3 2012-07-01 2012-07-01 false Fishermen's Contingency Fund. 1218.152 Section..., Gas and Sulfur, Offshore § 1218.152 Fishermen's Contingency Fund. Upon the establishment of the Fishermen's Contingency Fund, any holder of a lease issued or maintained under the Outer Continental...

  18. 7 CFR 1717.152 - Required documentation for all mergers.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... 7 Agriculture 11 2010-01-01 2010-01-01 false Required documentation for all mergers. 1717.152... ELECTRIC LOANS Mergers and Consolidations of Electric Borrowers § 1717.152 Required documentation for all mergers. In order for RUS to advance funds, send bills, and otherwise conduct business with a...

  19. 7 CFR 1717.152 - Required documentation for all mergers.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... 7 Agriculture 11 2011-01-01 2011-01-01 false Required documentation for all mergers. 1717.152... ELECTRIC LOANS Mergers and Consolidations of Electric Borrowers § 1717.152 Required documentation for all mergers. In order for RUS to advance funds, send bills, and otherwise conduct business with a...

  20. 25 CFR 152.32 - Irrigation fee; payment.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ...2010-04-01 2010-04-01 false Irrigation fee; payment. 152.32 Section...Trust Or Restricted Lands § 152.32 Irrigation fee; payment. Collection of all...any Indian-owned lands within Indian irrigation projects is deferred as long...