Asymptotic behaviour of TE 11 mode coupling in circular apertures
- 3 July 1980
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 16 (14) , 529-530
- https://doi.org/10.1049/el:19800368
Abstract
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.Keywords
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