Abstract
ABSTRACT In this study, a novel design methodology of multibeam focusing using a checkerboard metasurface is proposed and investigated. The metasurface is designed as a single-layer anisotropic surface consisting of two identical electric field coupled resonators (ELCRs) separated by a dielectric substrate. When a circularly polarized (CP) wave is incident on the unit cell of the metasurface and the unit cell is rotated to angle of θ, the unit cell has a transmitted phase shift of 2θ. The multibeam transverse and longitudinal focusing and control easily can be achieved by a structural rearrangement of metasurface in the form of a checkerboard without mathematical method. The feasibility of the proposed methodology is confirmed by full-wave simulation and measurement results at 5.8 GHz.
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