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. 12. a The photograph of the fabricated sample size: 312 mm#cod#x00D7;312 mm, b schematic program of measurement setup, the measured amplitudes c and phases d of the cross- and co-polarization reflections under x - and y -polarized waves incidence.