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. 5. Phase differences between the co- and cross-polarization reflections under CP wave incidence.