Ultra-thin circularly polarized lens antenna based on single-layered transparent metasurface*

Project supported by the National Natural Science Foundation of China (Grant No. 61372034).

Liu Kaiyue, Wang Guangming, Cai Tong, Guo Wenlong, Zhuang Yaqiang, Liu Gang
       

(color online) Measured and simulated far-field radiation patterns in (a) xoz-plane (b) yoz-plane. Broadband performance of (c) gain and AR and (d) aperture efficiency.