Frequency selective surface beamsplitter for sub-mm wave polarimetric space science instruments

In this paper we report on the design, fabrication and measurement of a frequency selective surface (FSS) which generates virtually identical spectral responses in 3% wide channels when the filter is operated in the TE and TM polarisation at 45deg incidence. The structure is formed from two closely...

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Bibliographic Details
Published in2009 3rd European Conference on Antennas and Propagation pp. 1877 - 1881
Main Authors Dickie, R., Cahill, R., Gamble, H., Fusco, V., Huggard, P., Henry, M., Oldfield, M., Howard, P., Grant, N., Munro, Y., de Maagt, P.
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.03.2009
Subjects
Circuit simulation
Electromagnetic wave polarization
Extraterrestrial measurements
Frequency selective surfaces
Insertion loss
Instruments
Space technology
Submillimeter wave technology
Tellurium
Weather forecasting
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Summary:In this paper we report on the design, fabrication and measurement of a frequency selective surface (FSS) which generates virtually identical spectral responses in 3% wide channels when the filter is operated in the TE and TM polarisation at 45deg incidence. The structure is formed from two closely spaced freestanding arrays with unit cells containing nested short circuited rectangular loop and dipole slot elements. The FSS provides 30 dB isolation between the frequency bands 316.5 - 325.5 GHz and 349.5 - 358.5 GHz and 0.6 dB insertion loss. Simulated and measured transmission coefficients are in close agreement.
ISBN:1424447534
9781424447534
ISSN:2164-3342