A Broadband Metasurface-Based Terahertz Flat-Lens Array

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

Research output: Contribution to journalArticlepeer-review

212 Scopus citations

Abstract

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.
Original languageEnglish (US)
Pages (from-to)779-785
Number of pages7
JournalAdvanced Optical Materials
Volume3
Issue number6
DOIs
StatePublished - Feb 12 2015
Externally publishedYes

Bibliographical note

KAUST Repository Item: Exported on 2020-10-01

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics

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