Abstract
Due to the multiple possibilities in wavefront manipulation, reconfigurable metasurfaces have attracted considerable interests. In this work, a two-dimensional reconfigurable reflective metasurface integrating varactor diodes is proposed for an operation in the microwave domain. The reconfigurability mechanism enables to control the electromagnetic response of each meta-atom individually by an elaborately designed voltage bias system. Both simulations and measurements are carried out to evaluate and validate the design of the tunable metasurface. Owing to the individual control and high-efficiency characteristics, the reconfigurable metasurface can easily pave the way to applications in multi-frequency and/or multi-functional wireless power transmission, lenses, complex beam generation and smart antennas.
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