Spin-selected bifunctional metasurface for grayscale image and metalens

Tang, LL; Cao, Y; Shi, WJ; Wang, J; Li, JQ; Dong, ZG

Dong, ZG (通讯作者),Southeast Univ, Sch Phys, Nanjing 211189, Peoples R China.

OPTICS LETTERS, 2023; 48 (2): 407