Broadband terahertz wave deflection based on C-shape complex metamaterials with phase discontinuities
KAUST DepartmentImaging and Characterization Core Lab
Advanced Nanofabrication, Imaging and Characterization Core Lab
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AbstractA 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. Copyright © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
SponsorsThis work was supported by the U.S. National Science Foundation (Grand No. ECCS-1232081), the National Science Foundation of China (Grant Nos. 61138001, 61028011, 61007034, 61107085, and 61107053) and the National Instrumentation Program of China (Grant No. 2011YQ150021).