Polarisation independent bandpass FSS

Raymond Dickie, Robert Cahill, Harold Gamble, Vincent Fusco, P.G. Huggard, B.P. Moyna, M.L. Oldfield, N. Grant, P. De Maagt

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31 Citations (Scopus)

Abstract

The spectral transmittance of a frequency selective surface (FSS), which consists of two free-standing arrays of short-circuited nested annular slots, is presented. The FSS was designed to provide a minimum of 20 dB isolation between the frequency bands 316.5-325.5 and 349.5-358.5 GHz when the filter operates in the TE and TM planes at 45 degrees incidence. Experimental results, which are in close agreement with the computed transmission coefficients, show that the maximum insertion loss is 0.9 dB, and the minimum cross-polar discrimination is at least 21 dB in the passbands. The FSS yields virtually identical spectral responses in the two polarisation planes over the frequency range 315-359 GHz.
Original languageEnglish
Pages (from-to)1013-1015
Number of pages3
JournalElectronics Letters
Volume43
DOIs
Publication statusPublished - 2007

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    Dickie, R., Cahill, R., Gamble, H., Fusco, V., Huggard, P. G., Moyna, B. P., Oldfield, M. L., Grant, N., & De Maagt, P. (2007). Polarisation independent bandpass FSS. Electronics Letters, 43, 1013-1015. https://doi.org/10.1049/el:20072170