Xueqian Zhang, Zhen Tian, Weisheng Yue, Jianqiang Gu, Shuang Zhang, Jiaguang Han and Weili Zhang Broadband Terahertz Wave Deflection Based on C-shape Complex Metamaterials with Phase Discontinuities Advanced Materials 25
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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