Mode coupling in a planar circular waveguide array

T. S. Bird*

*Corresponding author for this work

Research output: Contribution to journalArticle

44 Citations (Scopus)

Abstract

By means of an integral-equation approach, expressions are derived for all mode coupling occurring in a finite, planar circuit waveguide array. Modes coupling in the aperture of each waveguide yield terms dependent upon contour integrals. These are placed in a suitable form for numerical integration. A new asymptotic formula is obtained for the coupling between modes in separate waveguides. Theoretical results are presented for the TE//1//1 mode admittance of flanged circular waveguide and for two wavegides coupling in the H-plane. These results are shown to correlate satisfactorily with previously published experimental data.

Original languageEnglish
Pages (from-to)172-180
Number of pages9
JournalIEE journal on microwaves, optics and acoustics
Volume3
Issue number5
Publication statusPublished - Sep 1979

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