Abstract
A metamaterial reflector is proposed to achieve wideband radar cross section (RCS) reduction using polarization conversion metasurface (PCM). The PCM consists of ring-cross unit and is arranged in a chessboard configuration. Based on the principle of polarization conversion and polarization interference cancellation, the wideband RCS reduction is obtained. Simulated results show that the monostatic RCS of the proposed reflector is dramatically reduced compared with the reference metal plane in 10.5-20.5 GHz for both normally incident x- and y-polarized waves. The maximum RCS reduction value exceeds 20dB. The proposed reflector is fabricated and measured, and the measured results show a reasonably good agreement with the simulation.
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