... THE OPTICAL, AND HENCE DIELECTRIC, PROPERTIES OF ... MICHELSON INTERFEROMETER AND A LAMELLAR GRATING INTERFEROMETER ...
DTIC Science & Technology
The accurate nondestructive evaluation of dielectric properties of materials is important for quality control, safety, liability, and economic reasons. A significant problem is the determination of water content in low-loss dielectric materials, since the...
National Technical Information Service (NTIS)
An accurate method of measuring liquid water in snow covers is required to determine the properties of wet snow. The dielectric properties of wet snow must be utilized to adequately measure its liquid water content. In this study the effect of liquid wate...
... Accession Number : AD0277687. Title : CHEMISTRY AND DIELECTRIC PROPERTIES OF FLUOALUMINATES. II. DIELECTRIC PROPERTIES. ...
... Descriptors : *DIELECTRICS, *SPACE ENVIRONMENTS, ABSORPTION, CERAMIC MATERIALS, DIELECTRIC FILMS, DIELECTRIC PROPERTIES ...
A new apparatus for the measurement of the dielectric constants and losses of low-loss liquids at 2-mm wavelength has been set up. Toluene was measured first, since accurate data were available for this substance at millimeter wavelengths. Results turned ...
... Descriptors : , (*PHOSPHORESCENT MATERIALS, DIELECTRIC PROPERTIES), (*DIELECTRICS), PHOTOCONDUCTIVITY, ELECTRONS ...
... dielectric and electrical properties of biological materials, and of ... Organization; Dielectric Properties of Frozen Biological Material; The Biomolecular ...
are also tested in terms of their dielectric constant and dissipation .... The dielectric properties, namely the dielectric constant (_) and the dissipation ...
NASA Website
... MICA, *PHOSPHATES, ALUMINUM COMPOUNDS, CERAMIC COATINGS, CERAMIC MATERIALS, DIELECTRIC PROPERTIES, DIELECTRICS ...
... Title : THE ELECTRICAL PUMPING OF DIELECTRIC ... DIELECTRIC PROPERTIES, *ELECTRIC FIELDS ... ION BOMBARDMENT, LIQUIDS, PUMPS. ...
... Descriptors : *DIELECTRICS, MICROWAVES, DIELECTRIC PROPERTIES, TITANATES, BARIUM COMPOUNDS, LITHIUM COMPOUNDS, ZINC ...
... Descriptors : , (*DIELECTRICS, CERAMIC MATERIALS), (*CERAMIC MATERIALS, DIELECTRIC PROPERTIES), MICROWAVE EQUIPMENT ...
... CERAMIC MATERIALS, MICROWAVE EQUIPMENT), (*DIELECTRICS, CERAMIC MATERIALS), DIELECTRIC PROPERTIES, BARIUM ...
... Descriptors : (*CERAMIC MATERIALS, MICROWAVE EQUIPMENT), (*DIELECTRICS, CERAMIC MATERIALS), DIELECTRIC PROPERTIES, S ...
... DIELECTRICS, *BIBLIOGRAPHIES, HIGH TEMPERATURE, SCIENTIFIC RESEARCH, CERAMIC MATERIALS, DIELECTRIC PROPERTIES. ...
of polar solids and liquids, we calculate the mesoscopic, spatially-varying dielectric constant at points. Introduction A quantitatively accurate theory for the dielectric properties of polar liquids and solids took to protein dipole relaxation, which dominates the dielectric response on the ...
E-print Network
... Title : DIELECTRIC PROPERTIES OF LIQUID ETHANOL AND 2-PROPANOL (PART 1). DIELECTRIC PROPERTIES OF TRIMETHYLENE GLYCOL ...
... PROPERTIES), (*DIELECTRIC PROPERTIES, MEASUREMENT), MOLECULAR STRUCTURE, MOLECULAR ROTATION, AROMATIC ...
... POLYMERS, MOLECULAR PROPERTIES), ETHERS, DIELECTRIC PROPERTIES, MOLECULAR STRUCTURE, MOLECULAR ROTATION, SOLID ...
... Descriptors : *CERAMIC MATERIALS, *DIELECTRIC PROPERTIES, *OXIDES, *POWDERS, CONSTANTS, ELECTROMAGNETIC PROPERTIES ...
... Descriptors : *DIELECTRIC PROPERTIES, *CRYSTALLOGRAPHY, *BIREFRINGENCE, *ELASTIC PROPERTIES, *SPECTROSCOPY, ROOM ...
The vibrational and dielectric properties of MgAl2O4 are investigated within the framework of density functional perturbation theory. Results of phonon frequencies at the Brillouin zone center, static dielectric constant, and electronic dielectric constant are reported. In comparison with experimental results, we ...
NASA Astrophysics Data System (ADS)
A method is proposed to evaluate the material dispersion of dielectric film in dielectric-coated silver hollow fiber. Cauchy's formulas that characterize the dispersion property were obtained for several commonly used dielectric materials by using the measured data of loss spectra of the hollow fibers. The ...
PubMed
... THE STRUCTURE AND DIELECTRIC PROPERTIES OF PLASMA- POLYMERIZED BENZENE AND OFCB THIN FILMS (PREPRINT) ...
... Descriptors : *CHEMICAL COMPOSITION, *DIELECTRIC PROPERTIES, *BARIUM STRONTIUM TITANATES, CATIONS, SYMPOSIA, SYNTHESIS ...
... OF WATER AND THEIR ROLE IN ENZYME-SUBSTRATE INTERACTIONS. ... Descriptors : *ENZYMES, *DIELECTRIC PROPERTIES, *BIOPHYSICS ...
... Title : THE DIELECTRIC PROPERTIES OF CLAY SUSPENSIONS IN THE FREQUENCY RANGE FROM 50 HZ TO 20 KHZ. ...
... TEMPERATURE DIELECTRIC PROPERTIES OF STRONTIUM TITANATE ALUMINOSILICATE ... PEAKS AT TEMPERATURE BELOW 100 K; THE ...
... high and at low voltages as well ... DIELECTRIC PROPERTIES, DIELECTRICS, VOLTAGE REGULATORS, VOLTAGE, POLARIZATION, CAPACITORS ...
... Title : NONUNIFORMITY OF DIELECTRIC PROPERTIES OF MATERIALS IN THE SUPERHIGH-FREQUENCY RANGE. Corporate Author : ...
... Descriptors : *COAXIAL CABLES, MECHANICAL PROPERTIES, DIELECTRICS, STABILITY, DIELECTRIC PROPERTIES, POLYETHYLENE ...
... Title : MICROWAVE SPECTRA AND DIELECTRIC PROPERTIES OF VARIOUS AZIDES. Descriptive Note : Quarterly rept. no. ...
... Title : INTERBAND DIELECTRIC PROPERTIES OF SOLIDS IN AN ELECTRIC FIELD. Descriptive Note : Technical rept.,. ...
... Title : DIELECTRIC PROPERTIES OF THIN FILMS OF PRASEODYMIUM, CERIUM AND NEODYMIUM FLUORIDES (O DIELEKTRICHESKIKH ...
... Title : DIELECTRIC PROPERTIES OF A LATTICE OF ANISOTROPIC PARTICLES. Corporate Author : CALIFORNIA INST OF TECH PASADENA. ...
... (Author). Descriptors : (*MATERIALS, *DIELECTRIC PROPERTIES), SOILS, WATER, SEA WATER, ELECTROMAGNETIC WAVE REFLECTIONS ...
... Descriptors : *AGING(MATERIALS), *DIELECTRIC PROPERTIES, *POLYETHERS, *KETONES, MAINTENANCE, ANNEALING, PARAMETERS ...
... EQUIPMENT, *DIELECTRIC PROPERTIES, *FERROELECTRIC MATERIALS, *BARIUM STRONTIUM TITANATES, MAGNESIUM, SYMPOSIA ...
A three-layer model of stratum corneum, epidermis/dermis and subcutaneous fat has been developed for the capacitance of an open-ended coaxial line in contact with human skin. Applying the model, the electrical properties of subcutaneous fat can be calculated from skin dielectric measurements with three probes of different sizes. The three-layer model is ...
This paper investigates the power frequency properties of a dielectric for which the conductivity is an exponential function of the electric field. Oil-paper constitutes the best known example of such a system. The properties of such a system are revealed through rigorous solution of Poisson's equation, which facilitates ...
Energy Citations Database
A resonant cavity perturbation technique has been developed which provides a quick, simple and accurate method of measuring the microwave dielectric properties of small, easily prepared samples of tissues, tissue-simulating materials and biological fluids. The method gives dielectric properties ...
Broadband dielectric properties of materials can be employed to identify, detect, and characterize materials through their unique spectral signatures. In this study, millimeter wave, submillimeter wave, and terahertz dielectric properties of biological substances inclusive of liquids, solids, and powders were ...
A new method for measuring the dielectric and absorption constants of materials at millimeter frequencies is described. This new method is called digital spectrometry and rests on a little known property of Fresnel's equations for reflection at 45 deg and the recent appearance of highly accurate digital voltmeters. The fundamental ...
We combine the cryogenically measured value of the direct current (DC) conductivity of iron with the Drude theory of electrical conduction of metals to determine a complex dielectric function relevant under interstellar and intergalactic conditions. We use this dielectric function to calculate the mass absorption coefficient of randomly oriented iron ...
... Descriptors : , (*CERAMIC MATERIALS, DIELECTRIC PROPERTIES), DIELECTRICS, GLASS, HEAT TREATMENT, BARIUM COMPOUNDS ...
... studying dielectric relaxation of lossy substancos in the ... for a proper definition of dielectric behavior and ... solids, out the progress made has improved ...
... Abstract : The dielectric properties of perovskites have been the subject of many investigations, but a direct correlation between the dielectric ...
... as the critical solution temperature was ... Descriptors : (*SOLUTIONS(MIXTURES), DIELECTRIC PROPERTIES), (*DIELECTRICS, MOLECULAR ...
... OF DIELECTRIC RELAXATION MEASUREMENTS (PART 2). DIELECTRIC CONSTANTS OF LIQUID AND SOLID HYDROGEN SULFIDE (PART 3). ...
The recent measurements on the dielectric properties of soils shows that the variation of dielectric
NASA Technical Reports Server (NTRS)
The guided electromagnetic waves that propagate along a lossless dielectric ... measurable properties of electromagnetic waves guided by a dielectric rod in ...
... Pielectric Properties and the Structure of Matter Charle3 P. Smyth, Project Leader ... Page 5. Dielectric Properties and the Structure of Matter ...
... Far Infrared Dielectric Properties of polypyrrole Doped with the Tosylate Anion ... Page 3. Dielectric Properties of Polypyrrole doped with Tosylate ...
... Title : Dielectric Properties of Barium Titanate-Based Capacitors with Lithium ... and dielectric properties of capacitors based on BaTiO3 are presented ...
... Descriptors : *PIEZOELECTRIC MATERIALS, *CERAMIC MATERIALS, *DIELECTRIC PROPERTIES, THERMAL STRESSES, ELECTRICAL ...
... LIQUIDS, POLYMERS, COMPOSITE MATERIALS, RESISTANCE, DIELECTRICS, BULK MATERIALS, DIELECTRIC PROPERTIES, RESPONSE ...
... Descriptors : *CERAMIC MATERIALS, *DIELECTRIC PROPERTIES, *FERROMAGNETIC MATERIALS, DENSITY, FIBERGLASS, INSULATION ...
... Descriptors : *POLYMERS, *CERAMIC MATERIALS, *DIELECTRIC PROPERTIES, FREQUENCY, ELECTROMAGNETIC FIELDS, POLARIZATION ...
... Descriptors : *DIELECTRICS, PREPARATION, MATERIALS, DIELECTRIC PROPERTIES, DIOXIDES, SILICON COMPOUNDS, SPHERES, HIGH ...
... Title : TEMPERATURE BEHAVIOR OF DIELECTRIC AND PIEZOELECTRIC PROPERTIES OF SAMARIUM-DOPED LEAD TITANATE CERAMICS,. ...
... Descriptors : *GLYCINE, *GUANIDINES, *TELLURIUM COMPOUNDS, ALUMINUM COMPOUNDS, CRYSTALS, DETERMINATION, DIELECTRIC ...
... FIELDS, CRYSTALS, DIELECTRIC PROPERTIES, CONSTANTS, LIGHT TRANSMISSION, EQUATIONS, BARIUM TITANATES, PEROVSKITES. ...
... inform and ideas about the general problem area of dielectrics. Measurements of the properties of sapphire hive been begun. The ...
... quarter of the polycarbonate plastic film program. ... DIELECTRIC FILMS, POLYESTER PLASTICS), MANUFACTURING, DIELECTRIC PROPERTIES ...
... the first quarter polycarbonate plastic film program. ... DIELECTRIC FILMS, POLYESTER PLASTICS), MANUFACTURING, DIELECTRIC PROPERTIES ...
... temperature pressure coefficients of permittivity show wide ... ALKANES, *ALKALI METAL COMPOUNDS, DIELECTRIC PROPERTIES, DIELECTRIC ...
... Abstract : DIELECTRIC AND MAGNETIC PROPERTIES ARE MEASURED BY ASSUMING ... ALLOWING FOR EDGE EFFECTS IN A DISK SPECIMEN ...
... ENERGY, DIELECTRICS, DIELECTRIC PROPERTIES, PROFILES, ELECTROMAGNETIC RADIATION, HEATING, IMPEDANCE, SINTERING ...
A combination of several measurement techniques was used to investigate the dielectric properties of
... Descriptors : (*GLYCINE, DIELECTRIC PROPERTIES), (*MICROWAVE SPECTROSCOPY, GLYCINE), FERROELECTRIC CRYSTALS, SULFATES ...
... (MM). Descriptors : *ELECTRONIC EQUIPMENT, *DIELECTRIC PROPERTIES, *POLYMERIC FILMS, *ACRYLATES, *BENZENE COMPOUNDS ...
... Descriptors : *CERAMIC MATERIALS, BARIUM COMPOUNDS, CRYSTAL STRUCTURE, DIELECTRIC PROPERTIES, ELECTRICAL ...
... AGING (PHYSIOLOGY), BARIUM COMPOUNDS, CALCIUM COMPOUNDS, CERAMIC MATERIALS, DIELECTRIC PROPERTIES, DIELECTRICS ...
Dielectric thin film electrical and mechanical properties and preparation for semiconductor devices,
... Descriptors : *MICROWAVE FREQUENCY, MANUFACTURING, ELECTRON TUBES, CERAMIC MATERIALS, DIELECTRIC PROPERTIES, METAL ...
... DIELECTRIC PROPERTIES, ORGANIC COMPOUNDS), SOLIDS, LIQUIDS, MOLECULAR STRUCTURE, MOLECULAR ROTATION, RELAXATION ...
... MATERIALS), (*FERROELECTRIC MATERIALS, DIELECTRIC PROPERTIES), POTASSIUM COMPOUNDS, SODIUM COMPOUNDS, TARTRATES. ...
... CAPACITORS, *DIELECTRICS, BARIUM COMPOUNDS, CAPACITORS, CERAMIC MATERIALS, DIELECTRIC PROPERTIES, ELECTRICAL ...
... Descriptors : *DIELECTRIC PROPERTIES, *CERAMIC MATERIALS, *MICROWAVES, APPLICATORS, DIELECTRICS, HEATING, INTERACTIONS ...
... MICROWAVES, DIELECTRIC PROPERTIES, PARTICLES, BINDERS, DETERMINATION, SYNTHETIC MATERIALS, INORGANIC MATERIALS ...
Studies to develop a more accurate method of determining the optical and dielectric properties of liquids and solutions are described. In this method the ionization in the vapor adjacent to the liquid is used to monitor the photon beam strength before and after reflection. The ratio of ion currents is simply related to the reflectance ...
Computational electromagnetics models of microwave interactions with the human breast serve as an invaluable tool for exploring the feasibility of new technologies and improving design concepts related to microwave breast cancer detection and treatment. In this paper, we report the development of a collection of anatomically realistic 3-D numerical breast phantoms of varying shape, size, and ...
Computational electromagnetics models of microwave interactions with the human breast serve as an invaluable tool for exploring the feasibility of new technologies and improving design concepts related to microwave breast cancer detection and treatment. In this paper we report the development of a collection of anatomically realistic 3D numerical breast phantoms of varying shape, size, and ...
PubMed Central
permittivity. REFERENCES [1] L. Shen, "A laboratory technique for measuring dielectric properties of core for Accurate S-Parameters Measurements and Permittivity Reconstruction Ainhoa G. Gorriti and Evert C. Slob Abstract--In this paper, we present a tool for permittivity re- construction. The tool consists
Effect of dielectric properties of metals on terahertz transmission in subwavelength hole arrays In this Letter we investigate the effect of dielectric properties of metals on the SPP-enhanced transmission of dielectric function of metals on the transmission properties of ...
