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Proceedings Paper

Fast location and accurate computation of higher order, evanescent, and complex modes in unilateral fin lines
Author(s): Tahar Kezai; Andre Vander Vorst
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Paper Abstract

Shielded multilayered structures are commonly used in MIC circuits up to 140 GHz. This paper describes an original method to accurately calculate the complex propagation constant of shielded multilayered structures with minimal computational effort. The method combines singular value decomposition and poles location technique. In order to construct the complete spectrum of the multilayered structure, the poles detected are used to ensure that no modes are missed. It is shown that this accurate method elimiates difficulties related to poles and steep gradients in finding the complex propagation constant of the multilayered structure. Numerical results are compared first to those calculated by zero detection method and second to data obtained by singular integral equation.

Paper Details

Date Published: 13 October 1995
PDF: 8 pages
Proc. SPIE 2558, Millimeter and Submillimeter Waves II, (13 October 1995); doi: 10.1117/12.224216
Show Author Affiliations
Tahar Kezai, Univ. Catholique de Louvain (Belgium)
Andre Vander Vorst, Univ. Catholique de Louvain (Belgium)

Published in SPIE Proceedings Vol. 2558:
Millimeter and Submillimeter Waves II
Mohammed N. Afsar, Editor(s)

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