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Efficient coupling integrals computation of waveguide step discontinuities using BI-RME and Nyström methods

By Máriam Taroncher Calduch, Ana Vidal Pantaleoni, Vicente Enrique Boria Esbert, Stephan Marini, Pablo Soto Pacheco and Santiago Cogollos Borras


This paper describes a novel technique for the very efficient and accurate computation of the coupling integrals of waveguide step discontinuities between arbitrary cross section waveguides. This new technique relies on solving the Integral Equation (IE) that provides the well-known Boundary Integral - Resonant Mode Expansion (Bi-RME) method by the Nystrom approach, instead of using the traditional Galerkin version of the Method of Moments (MoM), thus providing large savings on computational costs. Comparative benchmarks between the results provided by the new technique and the original BI-RME method are successfully presented

Topics: Nyström, BI-RME, Modal analysis, Teoría de la Señal y Comunicaciones, Electromagnetismo
Publisher: 'SPIE-Intl Soc Optical Eng'
Year: 2004
DOI identifier: 10.1117/12.560171
OAI identifier:

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