Kun Gao

Thin-film Pancharatnam lens with low f-number and high quality.

Hsien-Hui Cheng, Philip J Bos, A. Bhowmik, 2015, Optics express.

High-efficiency large-angle Pancharatnam phase deflector based on dual-twist design.

Colin McGinty, Shaun Berry, Harold Payson, 2017, Optics express.