A hybrid‐mode boundary integral equation method for normal‐ and superconducting transmission lines of arbitrary cross‐section

1 January 1992

journal article
research article
Published by Wiley in International Journal of Microwave and Millimeter-Wave Computer-Aided Engineering

Vol. 2 (4) , 314-330
https://doi.org/10.1002/mmce.4570020412

Abstract

A space domain Boundary Integral Equation (BIE) method for full‐wave analysis of general waveguide is presented. The method is demonstrated to be applicable to arbitrary shielded or unshielded waveguide cross‐sections ranging from optical waveguide to MMIC transmission lines. It allows for arbitrary isotropic complex media including normal (imperfect) conductors and superconductors as is demonstrated with full‐wave loss analysis of coplanar stripline and several thin‐film microstrip line configurations employing Au and YBCO conductors. An outline of the theory of the BIE method is given. The implications of nonsmooth boundary curves are considered, and special attention is given to the reliability of the method in being free of spurious solutions. © 1992 John Wiley & Sons, Inc.

Keywords

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