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Arbitrarily-Shaped Reflectarray Resonant Elements for Dual-Polarization Use and Polarization Conversion
Hiroyuki DEGUCHI Daichi HIGASHI Hiroki YAMADA Shogo MATSUMOTO Mikio TSUJI
IEICE TRANSACTIONS on Communications
Publication Date: 2018/02/01
Online ISSN: 1745-1345
Type of Manuscript: INVITED PAPER (Special Section on Recent Progress in Antennas and Propagation in Conjunction with Main Topics of ISAP2016)
reflectarray, infinite periodic array, dual-polarization, polarization conversion,
Full Text: FreePDF(3.5MB)
This paper proposes a genetic algorithm (GA) based design method for arbitrarily-shaped resonant elements that offer enhanced reflectarray antenna performance. All elements have the specified phase property over the range of 360°, and also have dual-polarization and low cross-polarization properties for better reflectarray performance. In addition, the proposal is suitable for linear-to-circular polarization conversion elements. Thus, polarizer reflectarray elements are also presented in this paper. The proposed elements are validated using both numerical simulations and experiments.