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Continuous beam steering with multiple-gated reconfigurable metasurfaces
Continuous beam steering with multiple-gated reconfigurable metasurfaces
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机译:具有多门可重构超表面的连续光束转向
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摘要
An array of unit cells allows beam steering of an incident electromagnetic wave. Each unit cell has a back reflector, a conductive oxide between gate dielectrics, and an antenna. Voltage bias applied to different layers enables the accumulation or depletion of charges at the top and bottom interfaces of the conductive oxide. The charge accumulation and depletion regions control the refractive index of the material, enabling control of the reflected electromagnetic wave.
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