1.中国工程物理研究院流体物理研究所,四川绵阳 621900
2.宜宾学院理学部,四川宜宾 644000
3.中国工程物理研究院微系统与太赫兹研究中心,四川成都 610200
[ "曾志强 男,1983年出生,四川宜宾人.中国工程物理研究院流体物理研究所博士研究生.主要研究方向为微纳米光学器件、太赫兹超表面与超材料应用.E-mail: zhiqiang_zeng@163.com" ]
[ "杜良辉(通讯作者) 男,1985年出生,湖北荆州人.中国工程物理研究院副研究员.主要研究方向为光电子学、太赫兹科学与技术.E-mail: lianghui_du@163.com" ]
收稿:2022-11-01,
修回:2023-04-04,
纸质出版:2023-10-25
移动端阅览
曾志强,杜良辉,李江等.太赫兹超表面透镜综述[J].电子学报,2023,51(10):2651-2663.
ZENG Zhi-qiang,DU Liang-hui,LI Jiang,et al.Review of Terahertz Metasurface Lenses[J].ACTA ELECTRONICA SINICA,2023,51(10):2651-2663.
曾志强,杜良辉,李江等.太赫兹超表面透镜综述[J].电子学报,2023,51(10):2651-2663. DOI: 10.12263/DZXB.20221259.
ZENG Zhi-qiang,DU Liang-hui,LI Jiang,et al.Review of Terahertz Metasurface Lenses[J].ACTA ELECTRONICA SINICA,2023,51(10):2651-2663. DOI: 10.12263/DZXB.20221259.
本文综述了基于人工微结构的太赫兹超表面透镜的最新研究进展,通过仿真分析了人工微结构单元与太赫兹波的相互作用,阐述了共振相位、几何相位和传输相位3种主要的相位调控机理及相应的相位调制效果.根据透镜相位的空间分布规律,通过合理的人工微结构布局实现对入射太赫兹波波前的调控,从而实现太赫兹超表面透镜的聚焦和成像功能.太赫兹超表面透镜具有设计灵活、厚度超薄、功能多样等诸多优势,在太赫兹波无损检测、高速通信和公共安全等领域具有广阔的应用前景.本文根据太赫兹波聚焦效率这一重要技术指标,介绍了基于单层结构、多层结构、全介质结构以及可调谐太赫兹超表面透镜的研究成果,并对太赫兹超表面透镜的未来发展前景进行了展望.
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.
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