Abstract
A rigorous theory describing the diffraction of a plane wave by a doubly-periodic array of annular apertures in a thick, perfectly conducting screen is developed. It is found that such a structure exhibits excellent bandpass characteristics which can be adjusted by changing the size of the apertures and the thickness of the screen.
© (1987) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
A. Roberts and R. C. McPhedran "Bandpass Grids With Annular Apertures", Proc. SPIE 0815, Application and Theory of Periodic Structures, Diffraction Gratings, and Moire Phenomena III, (9 February 1987); doi: 10.1117/12.941735; https://doi.org/10.1117/12.941735
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