Zobrazeno 1 - 10
of 322
pro vyhledávání: '"R.W. Kelsall"'
Publikováno v:
Optik. 257:168663
Spectral efficiency is an important parameter to characterize the optical performance of optical filters in thermophotovoltaic systems. The multilayer filters are normally designed by assuming ideally flat interfaces, but realistic structures have a
Publikováno v:
IEEE Transactions on Instrumentation and Measurement. 50:1334-1342
The rectangular dielectric waveguide (RDWG) technique\ud has been developed for the determination of the dielectric\ud constant of materials from effective refractive index measurements in the Q andWbands. This paper describes the use of an optimizat
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 46:2011-2015
The rectangular dielectric waveguide (RDWG) technique has been previously described for the determination of complex permittivity of a wide class of dielectric materials of various thicknesses and cross sections. This paper presents a unified RDWG te
Publikováno v:
IEEE Transactions on Instrumentation and Measurement. 47:148-152
This paper presents an extension to the rectangular dielectric waveguide technique to obtain the permittivity of samples iteratively from the effective refractive index measurements by using the solution of the wave equation. The effective refractive
Publikováno v:
Scopus-Elsevier
We present results of transient and steady-state Monte Carlo simulations of parallel electron transport in a strained GaAs/In 0.15 Ga 0.85 As/GaAs quantum well structure. Both real and reciprocal space transfer is studied for electrons in the three l
Publikováno v:
IEEE Transactions on Electron Devices. 42:201-208
A fully self-consistent Monte Carlo simulation has been used to investigate electron transport through the base-collector region of various Ge/sub x/ Si/sub 1-x/ based heterojunction bipolar transistors. By considering a range of Ge content in the ba
Autor:
R.W. Kelsall, A.G. O'Neill
Publikováno v:
COMPEL - The international journal for computation and mathematics in electrical and electronic engineering. 13:653-659
A 2‐dimensional multilayer MOSFET simulator has been developed, based on self‐consistently coupled ensemble Monte Carlo and Finite Element Poisson Solver algorithms. The simulator is used to investigate electron transport in 0.1µm delta‐doped
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Publikováno v:
Semiconductor Science and Technology. 7:B45-B48
The authors calculate electron-LO phonon intersubband scattering rates and intrasubband scattering rates in a 70 AA GaAs/Ga0.7Al0.3As quantum well considering the phonons to be described by the hydrodynamic model, the slab mode model and the bulk pho
Autor:
P. Harrison, R.W. Kelsall
Publikováno v:
Solid-State Electronics. 42:1449-1451
This theoretical work explores the carrier dynamical issues that must be confronted if the recent successes of the mid-infrared quantum cascade lasers [1] are to be translated into longer wavelength devices. Whilst the small subband separations lead