Browsing by Keywords "Oscillations"
Now showing items 112 of 12

AharanovBohm effects induced by light in a fiber
(A I P Publishing LLC, 19960802)A weakly coupled normalmetal ring surrounding an optical fiber is considered under the condition that the frequency of light in fiber is larger than the conduction bandwidth of the metal. It is shown that in the presence ... 
AlGaN/GaN HEMTbased fully monolithic Xband low noise amplifier
(Wiley, 200504)A fully monolithic AlGaN/GaN HEMTbased low noise amplifier is reported. The circuit demonstrated a noise figure of 3.5 dB, gain of 7.5 dB, input return loss of 7.5 dB, and output return loss of 15 dB at 8.5 GHz. The ... 
Biangular lens for material characterization
(IEEE, Piscataway, NJ, United States, 1994)In this paper a new lens design is proposed for characterization of layered materials. Lamb wave lens employs Lamb waves for this purpose since these waves propagate along interfaces. However, below cutoff angle, the ... 
Experimental study of linear closedloop control of subsonic cavity flow
(2006)A study is presented of the modeling and implementation of different concepts for linear feedback control of a singlemode resonance shallow cavity flow. When a physicsbased linear model is used for cavity pressure ... 
The Fractional Fourier transform and harmonic oscillation
(Springer, 2002)The athorder fractional Fourier transform is a generalization of the ordinary Fourier transform such that the zerothorder fractional Fourier transform operation is equal to the identity operation and the firstorder ... 
On a problem of H.Shapiro
(Elsevier, 200402)Let μ be a real measure on the line such that its Poisson integral M(z) converges and satisfies M(x+ iy) ≤ Aecyα, y → + ∞, for some constants A, c > 0 and 0 < α ≤ 1. We show that for 1/2 < α ≤ 1 the measure μ must have ... 
Planewave dynamics of optical parametric oscillation with simultaneous sumfrequency generation
(Institute of Electrical and Electronics Engineers, 199906)This paper presents a theoretical analysis of sumfrequency generating optical parametric oscillators where a single nonlinear crystal is used for both parametric generation and sumfrequency generation. In these devices, ... 
Plasma modes in layered superconductors
(Elsevier B.V., 2005)An expression for the plasmon spectrum in the layered superconductors with arbitrary thickness of planes, which varies within a wide range is obtained. The obtained result can be attractive for the explanation of experimental ... 
Plasmons and the drag effect in a strong magnetic field
(Elsevier B.V., 2002)We study the effect of magnetoplasmons on the drag resistance in a strong magnetic field, at finite temperatures. The typical magnetic field is about 1 T, and the temperature is up to 10 K. The Landau levels are broadened ... 
Simulation of millimeterwave gunn oscillations in gallium nitride
(2004)High field transport in wide bandgap semiconductors like GaN is of great technological importance. The negative differential mobility regime at high fields, under suitable conditions, can lead to millimeterwave Gunn ... 
Simultaneous noncontact atomic force microscopy (ncAFM)/STM imaging and force spectroscopy of Si(1 0 0)(2 × 1) with small oscillation amplitudes
(Elsevier Science B.V., 2002)Si(1 0 0)(2 × 1) surface is imaged using a new noncontact atomic force microscopy (ncAFM)/STM with subÅngström oscillation amplitudes using stiff tungsten levers. Simultaneous force gradient and STM images of individual ... 
Vortex lattice of a BoseEinstein condensate in a rotating anisotropic trap
(American Physical Society, 2004)The behavior of BoseEinstein condensates (BEC) with a vortex lattice in a rotating anisotropic trap was studied. The singleparticle wave functions for a rotating anisotropy trap were found by exactly diagonalizing the ...