Terahertz polarization conversion and sensing with double-layer chiral metasurface
Zhang Zi-Yang1, Fan Fei1, †, Li Teng-Fei1, Ji Yun-Yun1, Chang Sheng-Jiang2, ‡
       

Polarization ellipses of the output THz wave for x-LP incidence through the chiral metasurface with different film thicknesses at (a) 0.675 THz and (b) 0.7 THz.