ISSTT Proceedings

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RF current distribution in HEB and a 2-dimensional device model

Authors:
P. Khosropanah, A. Adam, H. Merkel, S. Cherednichenko, S. Yngvesson, E. Kollberg
Abstract:
The RF current distribution in the bolometer bridge is investigated by solving the Maxwell's field equations analytically and by using commercial packages QuickWave-3D® (Finite-Difference Time-Domain, FDTD Method) and Sonnet® (Method of Moments). The outcomes of analytical calculations and QuickWave-3D® indicate nonuniform RF current distribution where Sonnet® results show completely uniform current at 2 THz. This controversial result is subject to discussion. By accepting the non-uniform scenario one can explain the dependence of the conversion loss on LO frequency. A 2-dimensional device model is presented which is based on non-uniform LO power absorption.
Categories:
Poster Session
Year:
2001
Session:
5
Full-text:
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Page Number(s):
149-158