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Double-rod metasurface for mid-infrared polarization conversion
Pu, Yang1; Luo, Yi1; Liu, Lu1; He, De1; Xu, Hongyan2; Jing, Hongwei2; Jiang, Yadong1; Liu, Zhijun1
Source PublicationCHINESE PHYSICS B
Indexed BySCI ; Ei
WOS IDWOS:000426947600002
EI Accession Number20181104906928
AbstractResonant responses of metasurface enable effective control over the polarization properties of lights. In this paper, we demonstrate a double-rod metasurface for broadband polarization conversion in the mid-infrared region. The metasurface consists of a metallic double-rod array separated from a reflecting ground plane by a film of zinc selenide. By superimposing three localized resonances, cross polarization conversion is achieved over a bandwidth of 16.9 THz around the central frequency at 34.6 THz with conversion efficiency exceeding 70%. The polarization conversion performance is in qualitative agreement with simulation. The surface current distributions and electric field profiles of the resonant modes are discussed to analyze the underlying physical mechanism. Our demonstrated broadband polarization conversion has potential applications in the area of mid-infrared spectroscopy, communication, and sensing.
Keywordmetasurface polarization conversion mid-infrared broadband
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Document Type期刊论文
Affiliation1.School of Optoelectronic Information, University of Electronic Science and Technology of China, Chengdu; 610054, China;
2.Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu; 610209, China
Recommended Citation
GB/T 7714
Pu, Yang,Luo, Yi,Liu, Lu,et al. Double-rod metasurface for mid-infrared polarization conversion[J]. CHINESE PHYSICS B,2018,27(2):24202.
APA Pu, Yang.,Luo, Yi.,Liu, Lu.,He, De.,Xu, Hongyan.,...&Liu, Zhijun.(2018).Double-rod metasurface for mid-infrared polarization conversion.CHINESE PHYSICS B,27(2),24202.
MLA Pu, Yang,et al."Double-rod metasurface for mid-infrared polarization conversion".CHINESE PHYSICS B 27.2(2018):24202.
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