Abstract
This paper presents a dual-polarized single layer metasurface in order to increase the gain of a single microstrip patch antenna in the X-band. The metasurface is comprised of circular unit cells with cross slots, exhibiting the same magnitude (S <inf xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">11</inf> and S <inf xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">21</inf> ) and phase responses when subjected to TE and TM polarized waves. This single layer planar metasurface can boost the gain of a probe feed single microstrip patch antenna from 7.2 dBi to 16.2 dBi at 10 GHz. The antenna’s gain and reflection coefficient with reference to the polarization of the antenna are made stable by employing cross slots, making it a more improved and robust design compared to the metasurface with rectangular slots. Moreover, a strong coupling is observed on the metasurface with cross slots considering both polarized waves.
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