... A numerical model that includes far wing linear absorption has been developed and compared with an analytical three-photon absorption model. ...

We study the linear intersubband absorption spectra of a 15nm InAs quantum well ... the evolution of intersubband absorption spectral line shape as a function of ...

... and gives examples of high resolution (FASCODE) model predictions of transmittance for carbon dioxide, deuterium fluoride, Hydrogen fluoride ...

May 17, 2007 ... The RTM consists of an atmospheric absorption model for water vapor, ... However because of the non-linear relationships between brightness ...

... Title : Dispersion and Dipolar Orientational Effects on the Linear Electro- Absorption and Electro-Optic Responses in a Model Guest/Host Nonlinear ...

Linear electro-absorption (LEA) and linear electro-optic (LEO) measurements are demonstrated using a model guest/host system consisting of disperse red 1 (DR1) doped in poly(methyl)methacrylate (PMMA). The LEA response is measured over a wavelength range ...

We use an infrared thermal imaging system in combination with a fluorescence microscope to map the dynamics of the local surface temperature and fluorescence intensity under cw, UV excitation of laser-modified fused silica within a damage site. Based on a thermal diffusion model, we estimate the energy deposited via linear absorption ...

The basic linear-spectral mixing model is shown in equation 1. .... Negative residuals at 2100 and 2300 nm resulted from absorption by cellulose and ...

... of growth in carapace width fit a linear model and was similar in pattern to ... the subsequent absorption of water by the underlying tissues results in ... ...

The solar diurnal tide in the thermosphere excited by in situ absorption of EUV and UV solar radiation for equinox conditions is determined by numerically integrating the linearized tidal equations for a spherical, rotating, viscous atmosphere. The model ...

hide Your Search Criteria. Search All: (Models Linear Absorption) � Remove All. Records; Concept Cloud. Matching Records: 15811 ...

... magnitude. Stolarski, et al. 7 have reported non-linear absorption effects of melanin-doped samples; these 1 Approved ...

A model based on electron quasi linear Landau damping or non linear absorption theory, ion stochastic heating and including toroidal propagation effects was developed. It takes into account RF modified electric conductivity or electron heat transfer, RF i...

The long-range propagation of acoustic transients produced experimentally from absorption of laser energy by water is examined theoretically. The linear theory, which it is argued, applies for ranges r > r sub O where viscosity effects will dominate, resu...

The subject of analysis is a non-linear three-compartment model, widely used in pharmacological absorption studies. It has been transformed into a general form, thus leading automatically to an appropriate approximation. This made the absorption profile accessible and expressions for absorption ...

A convolution model to convert some absorption model into a partial covering absorption. If the absorption model is M(E) then this is converted to ...

Using a symmetry adapted density matrix renormalization group (DMRG) formulation, we have calculated various optical spectra, including linear absorption, electroabsorption, third-harmonic generation, and two-photon absorption, for a series of linear polyene molecules (up to 40 carbon sites) ...

We provide a deeply detailed description of linear absorption and fluorescence angular distributions in biaxial media; we properly take into account the distributions of the polarization eigenmode vectors around the principal plane of the dielectric frame that contains the optical singularities of the optical axes. By introducing a non-zero angular ...

A new mechanism of nonlinear absorption of intense femtosecond laser radiation in air in the intensity range I = 1011-1012 W/cm2 when the ionization is not important yet is experimentally observed and investigated. This absorption is much greater than for nanosecond pulses. A model of the nonlinear absorption based ...

... IN A PLASMA WHOSE ELECTRON DENSITY VARIES LINEARLY ... PLASMAS(PHYSICS), ABSORPTION, ELECTRONS, PARTIAL DIFFERENTIAL ...

Monte Carlo simulation of energy absorption in oriented fibers of DNA is used to model the dependence of free radical yields on the orientation of the fibers relative to a flux of ionizing radiation. A large asymmetry was assumed in the thermal conductivi...

The current solar irradiance model used in the algorithms is based on Neckel ... linear fit to multiple models in the vicinity of the computed epsilon. ... The current atmospheric correction algorithm does not consider NO2 absorption. ...

prediction, the simplified K-M model using the ratio of absorption and scattering coefficients of colorants Additivity and linearity of the scattering and absorption coefficients of the individual colorants, k!i and s (k/s)!i) is the so-called "unit k over s" of the colorant. This quantity describes the ...

... Descriptors : *LINEAR REGRESSION ANALYSIS, *LINEARITY, * MATHEMATICAL MODELS, *MODELS, *STATISTICAL TESTS, ASYMPTOTIC ...

Fluorescence from squaraine dye-doped polymer optical fibers (POFs) is utilized to measure the linear absorption coefficient as a function of wavelength. By illuminating dye- doped POFs from the side with an appropriate wavelength, the fluorescence generated propagates down the length of the fiber. The attenuation of the fluorescence can be measured as a ...

So far all analytic models of heating of clusters in the collisionless domain are based on linear or linearized concepts, like Mie resonance or other linear oscillations. They are characterized by constant eigenfrequencies lying well above the frequencies of most intense lasers. In this paper we show that nonlinear ...

So far all analytic models of heating of clusters in the collisionless domain are based on linear or linearized concepts, like Mie resonance or other linear oscillations. They are characterized by constant eigenfrequencies lying well above the frequencies of most intense lasers. In this paper we show that nonlinear ...

The linear and nonlinear optical properties of a series of polymethine molecules are investigated to study the effects of molecular structure and the host environment on overall nonlinear absorption performance. The linear characterization includes measuring the solvatochromic shifts between absorption and ...

The dependence of flame atomic absorption measurements on spatial and temporal experimental parameters is investigated through a theoretical model. The model includes geometrical aspects of the optical system and the spatial distribution of the absorbing atoms. Expressions are developed to describe the absorbance for various versions ...

... 8q Unear Absorption and Scattering of Laser Beams ... Knuteed) 18. (Contd) Molecular absorption, Aerosol extinction, Aerosol absorption, ...

Two linear regression models based on absorption features extracted from CE-1 IIM image data are presented to discuss the relationship between absorption features and titanium content. We computed five absorption parameters (Full Wave at Half Maximum (FWHM), absorption ...

Nonlinear optics can be used to study materials structure by inferring material properties from characteristics of the mechanisms responsible for the nonlinear response. We have carried out ns and ps Z_scan experiments to determine the nonlinear absorption and refraction in pure and dye containing aqueous solutions of Au nanorods and self-assembled polymer coated Ag nanowire ...

Laser-induced damage in transparent dielectrics leads to the formation of laser-modified material as a result of exposure to extreme localized temperatures and pressures. In this work, we used an infrared thermal imaging system in combination with a fluorescence microscope to map the dynamics of the local surface temperature and fluorescence intensity under cw, UV excitation of laser-modified ...

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Reflection and transmission coefficients for plane waves incident upon a plane boundary separating two linear viscoleastic media have been calculated. Synthetic vertical seismograms for P-waves are computed for plane layered model in the elastic and anela...

Research accomplishments during the report period include the following: development of a mathematical model for a linear nonequilibrium chromatographic reactor with a first-order chemical reaction; development of a separation factor method for the analys...

We present a method for measuring the magnitude and sign of the nonlinear refractive and absorptive coefficients in isotropic media based on vectorial two-wave mixing. The technique consists of the measurement of the self-diffracted signals as a function of the angle between the linear polarizations of two input pulses. The technique was used to ...

Phytoplankton absorption spectra and High-Performance Liquid Chromatography (HPLC) pigment observations from the Eastern U.S. and global observations from NASA's SeaBASS archive are used in a linear inverse calculation to extract pigment-specific absorption spectra. Using these pigment-specific absorption spectra ...

The pharmacokinetics of cimetidine were evaluated using a linear system analysis that was formulated specifically to resolve the second peak in the blood drug concentration profile after oral dosing. The analysis exemplifies a new approach to pharmacokinetic modeling, which appears to be a valuable alternative to linear compartmental ...

In this work, we report electronic structure calculations aimed at computing the linear optical absorption spectrum and static dipole polarizablity of a newly proposed boron-based planar aromatic compound borozene (B₁₂H₆). For the purpose, we use the semiempirical INDO model Hamiltonian, ...

The direct coupling of a microwave field to selected DNA molecules is demonstrated using standard dielectrometry. The absorption is resonant with a typical lifetime of 300 picoseconds. Such a long lifetime is unexpected for DNA in aqueous solution at room temperature and has interesting implications for microscopic considerations in future models of ...

It has been proposed that photon-exchange effects associated with virtual atomic absorption could have widespread application in quantum information processing. Here we investigate simpler exchange effects associated with real absorption as modeled by an equivalent linear optical filter. Using nonclassical pairs of ...

The moisture absorption and swelling properties of Nylatron GS-51-13 detent wheels have been characterized at high humidity and at several temperatures. Thickness changes of the parts were found to be linearly related to the amount of water uptake. Diffusion theory was used to analyze the data. The parts were modeled as hollow right ...

We analyze the linear absorption spectrum of regioregular poly(3-hexylthiophene) films spun from a variety of solvents to probe directly the film microstructure and how it depends on processing conditions. We estimate the exciton bandwidth and the percentage of the film composed of aggregates quantitatively using a weakly interacting H-aggregate ...

... IMPROVING SPECTRAL FITS OF ABSORPTION DATA TAKEN WITH AN ARRAY DETECTOR: WAVELENGTH "LINEARIZATION" ... w Wavelength ...

Both linear and nonlinear scattering and absorption of a laser pulse by spherical nanoclusters with free electrons and with a diffuse surface are considered in the collisionless hydrodynamics approximation. The developed model of forced collective motion of electrons confined to a cluster permits one consistently to introduce into the ...

Both linear and nonlinear scattering and absorption of a laser pulse by spherical nanoclusters with free electrons and with a diffuse surface are considered in the collisionless hydrodynamics approximation. The developed model of forced collective motion of electrons confined to a cluster permits one consistently to introduce into the ...

Order-of-magnitude enhancement of light absorption can take place near the photonic band gaps in three-dimensional layer-by-layer metallic photonic crystals in the mid-infrared wavelength regime where a conventional bulk metallic material shows weak absorption. In this paper we investigate the dependence of this enhanced absorption on ...

Order-of-magnitude enhancement of light absorption can take place near the photonic band gaps in three-dimensional layer-by-layer metallic photonic crystals in the mid-infrared wavelength regime where a conventional bulk metallic material shows weak absorption. In this paper we investigate the dependence of this enhanced absorption on ...

Page 1. i Modeling Multiple Scattering and Absorption for a Differential Absorption LIDAR System by Daniel D. Blevins BS ...

. The effect of an equilibrium flow on resonant absorption of linear Alfv'en waves in coronal loops is studied in compressible viscous MHD. The study is carried out with a finite element code which solves the equations of viscous MHD in the whole volume of the equilibrium model. Computations of resonant absorption ...

... Title : THE ROLE OF INCLUSIONS AND LINEAR ABSORPTION IN LASER DAMAGE TO DIELECTRIC MIRRORS, IN: NBS-SP-387, P124-132. ...

... Title : Finite Extinction Time for Non-Linear Absorption-Diffusion Equations. Descriptive Note : Master's thesis Jun 2001-Sep 2002. ...

The structure of the linear infrared absorption spectrum of the N-H stretching mode in 7-azaindole dimers is analyzed by quartic anharmonic vibrational force field calculations based on density functional theory. It is demonstrated that a multiple Fermi resonance model including contributions from 12 fingerprint vibrational modes, most ...

Liquid scintillators are widely used as the neutrino target in neutrino experiments. The absorption and emission of different components of a ternary liquid scintillator (Linear Alkyl Benzene (LAB) as the solvent, 2,5-diphenyloxazole (PPO) as the fluor and p-bis-(o-methylstyryl)-benzene (bis-MSB) as wavelength shifter) are studied. It is shown that the ...

The original sheath inverse bremsstrahlung model [P. J. Catto and R. M. More, 1977] is modified by including the vxB term in the equation of motion. It is shown that the present results axe significantly different from those derived without the vxB term. The vxB term is also important in interpreting the absorption mechanism. If the vxB term were ...

... Accession Number : AD0635023. Title : THE ABSORPTIVE PERIPHERAL MODEL,. Corporate Author : ILLINOIS UNIV URBANA. ...

... Title : Modeling the Effects of Variations and Absorption on the Transition Radiation Produced From a Stack of Foils. Descriptive ...

... Accession Number : AD0614085. Title : MODEL ATMOSPHERES DETERMINED BY ABSORPTION OF SOLAR RADIATION,. ...

... Model Checking for Linear Temporal Logic: An Efficient Implementation ... Amir Pnueli Model Checking for Linear Temporal Logic: ...

A full scale prototype of a wave power plant based on a direct drive linear generator driven by a point absorber has been installed at the west coast of Sweden. In this paper, experimentally collected data of energy absorption for different electrical loads are used to verify a model of the wave power plant including the interactions ...

... STATISTICAL TESTS, MATHEMATICAL MODELS), (*LINEAR SYSTEMS, MATHEMATICAL MODELS), STATISTICAL DISTRIBUTIONS, MATRICES ...

Nanosecond long laser pulses are used in medical applications where precise tissue ablation with minimal thermal and mechanical collateral damage is required. When a laser pulse is incident on a material, optical energy will be absorbed by a combination of linear and nonlinear absorption according to both: laser light irradiance and material properties. In ...

We develop a model based on simulation and experiment that explains the behavior of solid-state laser-supported absorption fronts generated in fused silica during high intensity (up to 5GW/cm{sup 2}) laser exposure. We find that the absorption front velocity is constant in time and is nearly linear in laser ...

The group velocity dispersion (GVD) coefficient of four different dyes in solution is measured as a function of wavelength and concentration using a white-light Michelson interferometer. We find that the wavelength dependence of the GVD can be considerably different at wavelengths above and below the absorption resonance in a dye. Above the absorption ...