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Broadband Anisotropy in Terahertz Metamaterial With Single-Layer Gap Ring Array

1
School of Electronic Information Engineering, Yangtze Normal University, Chongqing 408100, China
2
Chongqing Key Laboratory of Multi-Scale Manufacturing Technology, Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, China
*
Author to whom correspondence should be addressed.
Materials 2019, 12(14), 2255; https://doi.org/10.3390/ma12142255
Received: 26 May 2019 / Revised: 10 July 2019 / Accepted: 11 July 2019 / Published: 13 July 2019
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Abstract

To convert the polarization of terahertz waves pumped by a femtosecond laser in a terahertz time domain system, a broadband anisotropic metamaterial is proposed. The metamaterial is constructed with a single-layer gapped metallic ring array, which supports different resonant modes in orthogonal directions. With the aid of simulations and measurements, the anisotropy of the terahertz transmission is demonstrated and discussed. The experimental results of THz transmission in the metamaterial indicate that the anisotropic band is as wide as 0.56 THz, which accords well with our theoretical prediction. View Full-Text
Keywords: terahertz; metamaterial; resonance; anisotropy terahertz; metamaterial; resonance; anisotropy
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Xia, L.; Cui, H.-L.; Zhang, M.; Dang, S.; Du, C. Broadband Anisotropy in Terahertz Metamaterial With Single-Layer Gap Ring Array. Materials 2019, 12, 2255.

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