Ab initio analysis of frequency selective surfaces based on conventional and complementary split ring resonators
R Marqués, J D Baena, M Beruete, F Falcone, T Lopetegi, M Sorolla, F Martin, J Garcia
Journal of Optics A: Pure and applied Optics
Volume: 7, Issue: 2, January 2005
frequency selective surfaces, split ring resonators, Babinet principle
resonators (SRRs) are analysed. This analysis includes complementary screens, or complementary SRR-FSSs (CSRR-FSSs). It is shown that these FSSs show a dual behaviour, with a stop/pass band behaviour at the frequency of resonance of the SRRs/CSRRs. Cross-polarization effects in the SRR and the CSRR are considered, and it is shown that they permit resonance to occur for normally incident plane wave excitation. This latter property of SRRs and CSRRs also implies that the FSSs considered may act as polarizers and polarization converters as well. An analytical theory, validfor perfectly conducting and infinitely thin screens, is proposed for theSRR-FSSs and CSRR-FSSs. These approximations are valid in themicrowave and millimetre-wave range, and up to the terahertz range.
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