Ultra-wideband circular-polarization converter with micro-split Jerusalem-cross metasurfaces
Gao Xi1, 2, †, , Yu Xing-Yang1, Cao Wei-Ping1, Jiang Yan-Nan1, Yu Xin-Hua1
       

(a) Schematic of linear-to-circular polarization conversion. (b) A unit cell of the proposed polarizer.