Novel Dual-Resonant and Dual-Polarized Frequency Selective Surface Using Eight-Legged Element and Its Experimental Verification

Masataka OHIRA  Hiroyuki DEGUCHI  Mikio TSUJI  Hiroshi SHIGESAWA  

IEICE TRANSACTIONS on Electronics   Vol.E88-C   No.12   pp.2229-2235
Publication Date: 2005/12/01
Online ISSN: 
DOI: 10.1093/ietele/e88-c.12.2229
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Section on Wireless Technologies and Computational Electromagnetics)
Category: EM Analysis
frequency selective surface,  multiband,  broadband,  resonances,  

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In this paper, an eight-legged resonant element is proposed for a multiband and dual-polarized frequency selective surface (FSS). The FSS element has two resonant frequencies for constructing two reflection bands, of which the separation can be easily controlled by adjusting the shape of the element. The flexibility is demonstrated by the simulated results of transmission responses for various geometrical parameters. And it is shown that introducing resonant-grid and closely-packing techniques can improve the reflection bandwidth. Finally, the good agreement between the measured and the calculated results proves that the eight-legged element is useful for the design of a multiband FSS.