Review of Terahertz Metasurface Lenses

被引:0
|
作者
Zeng Z.-Q. [1 ,2 ]
Du L.-H. [1 ,3 ]
Li J. [1 ,3 ]
Zhu L.-G. [1 ,3 ]
机构
[1] Institute of Fluid Physics, China Academy of Engineering Physics, Sichuan, Mianyang
[2] Faculty of Science, Yibin University, Sichuan, Yibin
[3] Microsystem & Terahertz Research Center, China Academy of Engineering Physics, Sichuan, Chengdu
来源
基金
中国国家自然科学基金;
关键词
artificial microstructure; efficiency; geometric phase; metasurface lens; resonance phase; terahertz; transmission phase;
D O I
10.12263/DZXB.20221259
中图分类号
学科分类号
摘要
In this paper, the recent research progresses on terahertz metasurface lenses (THz ML) based on artificial microstructure are introduced. The interaction between artificial microstructure unit and THz wave is analyzed by numerical simulations. And the three main existing phase modulation mechanisms, including resonance phase, geometric phase and transmission phase, are described. From the spatially phase distribution of lens, the manipulation of incident THz wavefront can be realized by the suitable artificial microstructure layout, so as to realize the focusing and imaging of THz ML. Due to the advantages of flexible design, ultra-thin thickness and multi-functions, THz ML will have great potential applications in the fields of nondestructive detection, high-speed wireless communication and public security. Considering the key technical parameter of focusing efficiency, the research works of THz ML based on single-layer structure, multi-layer structure, all dielectric structure and tunable materials are introduced, and the trends of future development of THz ML are prospected. © 2023 Chinese Institute of Electronics. All rights reserved.
引用
收藏
页码:2651 / 2663
页数:12
相关论文
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