Radiation of circularly polarized microwaves by a plane periodic structure of Ω elements |
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| Authors: | I V Semchenko S A Khakhomov M A Podalov S A Tretyakov |
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| Affiliation: | (1) Gomel State University, Sovetskaya ul. 104, Gomel, 246019, Belarus;(2) Electromagnetics Laboratory, Helsinki University of Technology, PO Box 3000, 02015 TKK, Finland |
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| Abstract: | Transformation of the electromagnetic-wave polarization by a 2D grating of metal Ω elements is studied theoretically and experimentally. The electric dipole moment and magnetic moment excited by a linearly polarized incident wave in a single Ω element are determined. The parameters of an Ω element that are optimal for radiation of a circularly polarized wave are calculated. A 2D grating consisting of Ω elements with optimal parameters is fabricated, and the obtained theoretical results are verified experimentally. |
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