Wide-band circular polarization-keeping reflection mediated by metasurface*
Li Yong-Fenga), Zhang Jie-Qiua),†, Qu Shao-Boa), Wang Jia-Fua), Zheng Lina), Zhou Hanga), Xu Zhuob), Zhang An-Xuec)
Fig. 2. Schematic diagram for the induced surface current on the N-shaped metallic structure at resonant frequencies.