Wideband high-efficient linear polarization rotators

Abstract

We demonstrate a wideband polarization rotator with characteristics of high efficiency and large-range incidence angle by using a very simple anisotropic reflective metasurface. The calculated results show that reflection coefficient of cross polarization is larger than 71% over an octave frequency bandwidth from ~4.9 GHz to ~10.4 GHz. The proposed metasurface can still work very well even at incidence angle of 60◦. The experiment at microwave frequencies is carried out and its results agree well with the simulated ones.

Keywords

polarization / metasurface

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