Circular polarisation frequency selective surface operating in Ku and Ka band

R. Orr, V. Fusco, D. Zelenchuk, G. Goussetis, E. Saenz, M. Simeoni, L. Salghetti Drioli

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Abstract

A double layer circular polarization (CP) frequency selective surface (FSS) for use as a dual-band quasi-optical diplexer suitable for deployment in reflector antenna systems is described. The FSS was designed to reflect Ku band signals (11.7–12.75 GHz) while transmitting Ka band signals (17.3–20.2 GHz) and conserving CP in each of these bands. The simulated/measured reflection loss over the Ku band was less than 0.05/0.1 dB for both TE and TM polarizations, while the simulated/measured axial ratio was less than 0.2/0.75 dB. Over the Ka band, the simulated/measured transmission loss for both polarizations was below 0.25/0.4 dB and the simulated/measured axial ratio was less than 0.25/0.75 dB. To the best of our knowledge, this is the first report of a metallo-dielectric FSS that simultaneously operates in CP for an oblique angle of incidence in both Ku and Ka bands.
Original languageEnglish
Pages (from-to)5194 - 5197
Number of pages4
JournalIEEE Transactions on Antennas and Propagation
Volume63
Issue number11
Early online date09 Sep 2015
DOIs
Publication statusPublished - Nov 2015

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