Ultra Thin Resistively Loaded FSS Absorber For Polarisation Independent Operation at Large Incident Angles

S. N. Zabri, R. Cahill, A. Schuchinsky

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

In this paper we report on a resistively loaded Frequency Selective Surface (FSS) absorber design which is insensitive to the polarization of microwave signals incident at angles of 45o ± 5o. The metal backed periodic structure is composed of an array of conductive rectangular loops, each loaded with a resistor at the center of the four sides. The geometry of the absorber and the resistance value of the vertical and horizontal resistor pairs are carefully chosen so that the structure presents a real impedance of 377 Ω at the center operating frequency for both TE and TM polarized waves incident at 45o. Numerical predictions of the electromagnetic scattering from three different absorbers, designed to work at X-band, are used to investigate the effect of thickness and resistance value on the reflectivity bandwidth and angular sensitivity.
Original languageEnglish
Title of host publication2014 8th European Conference on Antennas and Propagation (EuCAP)
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages1363-1367
Number of pages5
ISBN (Print)9788890701849
DOIs
Publication statusPublished - Apr 2014
Event8th European Conference on Antennas and Propagation, EuCAP 2014 - The Hague, Netherlands
Duration: 06 Apr 201411 Apr 2014
http://www.eucap2014.org/

Conference

Conference8th European Conference on Antennas and Propagation, EuCAP 2014
CountryNetherlands
CityThe Hague
Period06/04/201411/04/2014
Internet address

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