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Broadband Terahertz Wave Deflection Based on C-shape Complex Metamaterials with Phase Discontinuities

Authors

  • Xueqian Zhang,

    1. Center for Terahertz Waves and College of Precision Instrument and Optoelectronics Engineering, Tianjin University, Tianjin 300072, People's Republic of China
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  • Zhen Tian,

    Corresponding author
    1. Center for Terahertz Waves and College of Precision Instrument and Optoelectronics Engineering, Tianjin University, Tianjin 300072, People's Republic of China
    • Zhen Tian, Center for Terahertz Waves and College of Precision Instrument and Optoelectronics Engineering, Tianjin University, Tianjin 300072, People's Republic of China===

      Jiaguang Han, Center for Terahertz Waves and College of Precision Instrument and Optoelectronics Engineering, Tianjin University, Tianjin 300072, People's Republic of China===

      Weili Zhang, School of Electrical and Computer Engineering, Oklahoma State University, Stillwater, Oklahoma 74078, USA.===

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  • Weisheng Yue,

    1. Advanced Nanofabrication and Imaging Core Lab, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
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  • Jianqiang Gu,

    1. Center for Terahertz Waves and College of Precision Instrument and Optoelectronics Engineering, Tianjin University, Tianjin 300072, People's Republic of China
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  • Shuang Zhang,

    1. School of Physics and Astronomy, University of Birmingham, Birmingham, B15 2TT, UK
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  • Jiaguang Han,

    Corresponding author
    1. Center for Terahertz Waves and College of Precision Instrument and Optoelectronics Engineering, Tianjin University, Tianjin 300072, People's Republic of China
    • Zhen Tian, Center for Terahertz Waves and College of Precision Instrument and Optoelectronics Engineering, Tianjin University, Tianjin 300072, People's Republic of China===

      Jiaguang Han, Center for Terahertz Waves and College of Precision Instrument and Optoelectronics Engineering, Tianjin University, Tianjin 300072, People's Republic of China===

      Weili Zhang, School of Electrical and Computer Engineering, Oklahoma State University, Stillwater, Oklahoma 74078, USA.===

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  • Weili Zhang

    Corresponding author
    1. Center for Terahertz Waves and College of Precision Instrument and Optoelectronics Engineering, Tianjin University, Tianjin 300072, People's Republic of China
    2. School of Electrical and Computer Engineering, Oklahoma State University, Stillwater, Oklahoma 74078, USA
    • Zhen Tian, Center for Terahertz Waves and College of Precision Instrument and Optoelectronics Engineering, Tianjin University, Tianjin 300072, People's Republic of China===

      Jiaguang Han, Center for Terahertz Waves and College of Precision Instrument and Optoelectronics Engineering, Tianjin University, Tianjin 300072, People's Republic of China===

      Weili Zhang, School of Electrical and Computer Engineering, Oklahoma State University, Stillwater, Oklahoma 74078, USA.===

    Search for more papers by this author

Abstract

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A broadband terahertz wave deflector based on metasurface induced phase discontinuities is reported. Various frequency components ranging from 0.43 to 1.0 THz with polarization orthogonal to the incidence are deflected into a broad range of angles from 25° to 84°. A Fresnel zone plate consequently developed from the beam deflector is capable of focusing a broadband terahertz radiation.

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