Abstract

This paper reviews the past and current research progress in microwave antenna applications using 2D planar metamaterials or metasurfaces. Firstly, we revisit the definitions of metamaterial and metasurface, and the applications of the ultra-thin metasurfaces for low-profile printed antennas in microwave frequency regime, for the purposes of size reduction and performance enhancement. Then we summarize the different types of metasurfaces and their applications. Finally, we provide the future lookout into microwave antenna and EM related applications using metasurfaces.

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