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A terahertz metasurface is reported to exhibit broadband anomalous deflection with strong phase discontinuities. Weili Zhang, Jiaguang Han, Zhen Tian, and co‐workers demonstrate on page 4567 that 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 covering 25° to 84° under normal incidence. Based on this...
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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