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Properties of leaky waves supported by grounded dielectric super-layers and implications on the design of reflector feeds

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Author: Neto, A. · Llombart, N. · Gerini, G. · Bonnedal, M. · Maagt, P. de
Type:article
Date:2007
Publisher: IEEE
Place: Piscataway, NJ
Institution: TNO Defensie en Veiligheid
Source:2007 IEEE Antennas and Propagation Society International Symposium, AP-S, 10-15 June 2007, Honolulu, HI, USA, 5660-5663
Identifier: 240323
doi: doi:10.1109/APS.2007.4396834
Keywords: Antenna radiation patterns · Antennas and propagation · Dielectric constant · Feeds · Frequency · Green's function methods · Mechanical factors · Safety · Security · Shape

Abstract

The design strategy that uses dielectric super-layers with neighboring wave-guides closed in matched loads constitutes a worst case scenario as far as the performance enhancement is concerned and finds applicability in radiometric imaging arrays. On the other side the design strategy that uses dielectric super-layers with neighboring wave-guides closed in properly tuned reactive loads can be seen as best case scenario representative of a multi beam system for a telecommunication satellite with independent channels