A Broadband Metasurface‐Based Terahertz Flat‐Lens Array | Zendy

Wang Qiu | Zendy; Zhang Xueqian | Zendy; Xu Yuehong | Zendy; Tian Zhen | Zendy; Gu Jianqiang | Zendy; Yue Weisheng | Zendy; Zhang Shuang | Zendy; Han Jiaguang | Zendy; Zhang Weili | Zendy

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A Broadband Metasurface‐Based Terahertz Flat‐Lens Array

Author(s) -

Wang Qiu,

Zhang Xueqian,

Xu Yuehong,

Tian Zhen,

Gu Jianqiang,

Yue Weisheng,

Zhang Shuang,

Han Jiaguang,

Zhang Weili

Publication year - 2015

Publication title -

advanced optical materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.89

H-Index - 91

ISSN - 2195-1071

DOI - 10.1002/adom.201400557

Subject(s) - terahertz radiation , broadband , optics , materials science , planar , lens (geology) , metamaterial , split ring resonator , aperture (computer memory) , planar array , optoelectronics , resonator , physics , computer science , acoustics , computer graphics (images)

A metasurface‐based terahertz flat‐lens array is proposed, comprising C‐shaped split‐ring resonators exhibiting locally engineerable phase discontinuities. Possessing a high numerical aperture, the planar lens array is flexible, robust, and shows excellent focusing characteristics in a broadband terahertz frequency. It could be an important step towards the development of planar terahertz focusing devices for practical applications.

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