Browsing Physics by Title
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Absorptionbased fiber optic surface plasmon resonance sensor: a theoretical evaluation
(2004)In this paper, an optical absorption based fiber optic surface plasmon resonance (SPR) sensor has been studied theoretically. The theoretical treatment is based on Kretschmann’s SPR theory and the Lorentz model that expresses ... 
Accurate solutions to Schrodinger's equation using modified Airy functions
(1992)A formulation that utilizes the Airy functions is applied to Schrodinger's equation for a spherically symmetric potential. It is shown that the computational procedure is very simple and allows a very accurate description ... 
Acoustic modes in a dusty plasma
(1998)The propagation of the dust ion acoustic and dust acoustic modes in a dusty plasma is studied. The effect of the coupling of the charge fluctuation on the dust particles to the modes is taken into account selfconsistently. ... 
Adhesion enhancement of diamond coatings on WC tools by high energy ion irradiation
(1998)Microcrystalline diamond thin films were deposited on cemented tungsten carbide cutting tools by hotfilament chemical vapour deposition process. The coatings deposited were irradiated with 50 MeV Si7q ions upto a dose of ... 
Amorphous silicon as a resist material
(1988)Lithographic properties of amorphous silicon films exposed to glowdischarge hydrogen plasma and ion beams have been investigated. The rate of film etching by a CF4 plasma is lowered by exposure, giving rise to a negative ... 
Analysis and design of a novel leaky YIG film guided wave optical isolator
(1998)A guided wave optical isolator using a four layered leaky yttrium iron garnet (YIG) waveguide with a YIG guiding layer is proposed and analyzed through a transfer matrix formulation. The dependence of isolation characteristics ... 
Analysis of diffused planar and channel waveguides
(1993)A simple analytical method is presented which improves upon the HermiteGauss field proposed by S.K. Korotky et al. (1982) for diffused waveguides by taking into account the evanescent field in the cover region. The method ... 
Analysis of fiber directional couplers and coupler halfblocks using a new simple model for singlemode fibers
(1990)A model for a stepindex fiber in the form of an equivalent slab guiding structure is presented. This model simplifies the analysis of fiber directional couplers and coupler halfblocks with dielectric and metallic ... 
Analysis of metal clad uniaxial waveguides
(1991)In this paper, a study of metal clad anisotropic waveguides is presented and applied to surface plasmon modes at a metaluniaxial interface and a thick and a thin metal clad uniaxial waveguide. The effect of anisotropy on ... 
Analysis of single mode inhomogeneous planar waveguides
(1986)A new method for obtaining the propagation characteristics of single mode inhomogeneous planar waveguides is presented. The method is based on the scalar variational principle and a new trial fieldthe cosineexponential ... 
Analysis of tunable singlemode fiber directional couplers using simple and accurate relations
(1986)We present simple and accurate relations for the study of parallel and curved tunable singlemode fiber directional couplers employing stepindex or gradedindex fibers. Analytical results for the various coupler parameters ... 
Analysis of tunable singlemode fiber directional couplers using simple and accurate relations
(1986)We present simple and accurate relations for the study of parallel and curved tunable singlemode fiber directional couplers employing stepindex or gradedindex fibers. Analytical results for the various coupler parameters ... 
Analytic solution to the BCS equation for the superconducting transition temperature
(1992)An analytic solution to the BCS equation for the superconducting transition temperature has been obtained. Instead of the electron phonon interaction being assumed to be a constant in a certain range as was done in BCS ... 
Analytical approximations for the propagation characteristics of dualmode fibers
(1983)In this paper we present accurate analytical approximations for the modal fields of dualmode optical fibers with power law profiles based on a scalar variational analysis. We propose single parameter and two parameter ... 
An analytical expression for Eg and Ag modes of pyrochlores
(2002)A general analytical expression has been derived for Eg and A1g modes in terms of stretching and bending force constant for cubic pyrochlore structure compounds. The expression has been applied to different pyrochlore ... 
Anisotropic conical scattering in photorefractive BaTiO3: diffraction efficiency measurements
(1991)The simultaneous presence of beam fanning and anisotropic conical scattering hinders the exact measurements on anisotropic conical diffraction. In this paper, a method is described for the measurement of diffraction ... 
Arc model for slag coated electrodes
(1998)A model for arcs in the cathode region in the presence of a slag layer is given. The arc has been assumed to be comprised of two sections; one in the slag layer and the other in the plasma boundary layer. A model for the ... 
Atomic disorder in low pressure rfsputtered YBCO superconducting thin films
(1997)The epitaxial films of YBCO grown by low pressure (~ 10 3 Ton') rfmagnetron sputtering, exhibiting 'c'axis lattice parameter 11.753 A and 11.718 A on MgO(100) and SrTiO3(100), respectively, were subjected to the ... 
Bending induced phase shifts in arbitrarily bent rectangularcore dualmode waveguides
(1996)We examine the variation of the effective indexes of the two modes of an arbitrarily bent dualmode rectangularcore waveguide. We find that under the large bending radius approximation, which is indeed the practical case ... 
Biasinduced changes in carrier type of Pb(1−x)Fe(x)S nanocrystalline solution grown thin films
(2002)Change of majority carrier type was achieved in nanocrystalline Pb(1−x)Fe(x)S thin films by applying a DCbias on the substrate during their growth by solution growth technique. Critical control of biasing and pH of the ...