Ultra-thin single-layer transparent geometrical phase gradient metasurface and its application to high-gain circularly-polarized lens antenna

Li Tang-Jing^†,, Liang Jian-Gang, Li Hai-Peng, Liu Ya-Qiao

Simulated electric field distribution at 13 GHz in (a), (b) the xoz plane and (c), (d) yoz plane, respectively, for the patch antenna (a), (c) without and (b), (d) with the GPGM.