High-efficiency wideband flat focusing reflector mediated by metasurfaces

Yu Ji-Bao^a), Ma Hua†^a), Wang Jia-Fu^a), Li Yong-Feng^a), Feng Ming-De^a),^b), Qu Shao-Bo‡^a)

(a) Schematic of experimental system. (b) and (c) Simulated and measured distributions of y -component of reflection electric field at 14.5 GHz.