Asymptotic behaviour of TE11 mode coupling in circular apertures

T. S. Bird*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


An asymptotic formula for mode coupling in a finite planar array of circular apertures, which was derived previously, is compared with the exact solution for the case of TE11 mode coupling in two circular waveguides. It is shown that for dominant mode operation of a circular waveguide the asymptotic formula is accurate enough for most practical purposes, even for aperture spacings of the order of a wavelength.
Original languageEnglish
Pages (from-to)529-530
Number of pages2
JournalElectronics Letters
Issue number14
Publication statusPublished - 3 Jul 1980


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