Shuangling Ding

Fractal spiral zone plate with high-order harmonics suppression.

Lai Wei, Q. Fan, Leifeng Cao, 2019, Applied optics.

Dual-type fractal spiral zone plate for generating sequence of square optical vortices.

Yinghui Zhong, E. Liang, Leifeng Cao, 2019, Journal of the Optical Society of America. A, Optics, image science, and vision.