Flexible broadband polarization converter based on metasurface at microwave band
Wang Qi1, Kong Xiangkun1, †, Yan Xiangxi1, Xu Yan1, Liu Shaobin1, Mo Jinjun2, Liu Xiaochun3
       

The co-polarization reflection coefficients for u- and v-axes. (a) Magnitude; (b) phase and phase difference.