Broadband and high transmission multifunctional metasurface based on temperature-tunable InSb

doi:10.1016/j.optcom.2022.128161

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	Broadband and high transmission multifunctional metasurface based on temperature-tunable InSb
	W. Wu; M. Zhang; C. Wang; T. Zhao; N. Kuang; Y. Zeng; H. Luo and P. Jiang
	2022
发表期刊	Optics Communications
ISSN	304018
卷号	515
摘要	Transmissive terahertz (THz) metasurfaces have potential applications in imaging, biosensing, and optical communications. Traditional THz metasurfaces have a lot of problems such as non-adjustable spectra and low transmission efficiency. In this paper, discrete transmission phase principle and temperature-tunable material indium antimonide (InSb) are used to complete full phase coverage in the frequency range from 0.75 THz to 0.95 THz. Then a series of broadband temperature-controlled transmissive functional metasurfaces, such as anomalous refractors, focusing metalens, and orbital angular momentum (OAM) beam generators, are realized. The working states of these proposed metasurfaces can be switched from "ON" to "OFF" by adjusting the temperature of InSb from 220 K to 360 K. In addition, by adding vertical copper plates to form a FabryPerot (FP) cavity-like structure, the transmission efficiencies of these metasurfaces are improved drastically to 60%. This work provides a method for designing tunable high performance multifunctional metasurface, which is expected to broaden the practical application of metasurfaces in the THz band. 2022 Elsevier B.V.￥internal-pdf://2999221799/Broadband and high transmission multifunctiona.pdf￥10.1016/j.optcom.2022.128161￥http://dx.doi.org/10.1016/j.optcom.2022.128161￥sci&ei
DOI	10.1016/j.optcom.2022.128161
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收录类别	sci ; ei
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文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/66451
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	W. Wu,M. Zhang,C. Wang,et al. Broadband and high transmission multifunctional metasurface based on temperature-tunable InSb[J]. Optics Communications,2022,515.
APA	W. Wu.,M. Zhang.,C. Wang.,T. Zhao.,N. Kuang.,...&H. Luo and P. Jiang.(2022).Broadband and high transmission multifunctional metasurface based on temperature-tunable InSb.Optics Communications,515.
MLA	W. Wu,et al."Broadband and high transmission multifunctional metasurface based on temperature-tunable InSb".Optics Communications 515(2022).

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