An ultrathin transparent metamaterial polarization transformer based on a twist-split-ring resonator |
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Authors: | Yongzhi Cheng Yan Nie Xian Wang Rongzhou Gong |
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Institution: | 1. School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan, 430074, China
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Abstract: | In this paper, an ultrathin transparent metamaterial polarization transformer using a circular twist-split-ring resonator (TSRR) was proposed and investigated experimentally and numerically. The experimental and simulated results exhibit an asymmetric transmission only for forward and backward propagating linearly polarized waves. An incident linearly polarized wave can convert its polarization nearly completely to the cross direction after transmission under certain conditions. The simulated spatial evolution of the electric field further indicates that the twist structure functions as a perfect polarization transformer at certain frequencies. |
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