NASA NTRS · 19920000332
Dual-Passband Microwave Dichroic Plates
Abstract
Perforated metal plate with dielectric-filled holes acts as dual-passband dichroic microwave plate. Use of dielectric enables use of smaller, more-closely-spaced holes, reducing undesired diffraction-grating lobes. Arrangement and sizes of holes, distances between them, and material and dimensions of dielectric plugs chosen to satisfy design requirements.
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Otoshi, Tom Y., Clauss, Robert C.. 1992-06-01. Dual-Passband Microwave Dichroic Plates. https://ntrs.nasa.gov/citations/19920000332
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