Tunable converge optical elliptical vortex based on elliptical helical lens

Niu, Y; Jiang, P; Yang, HJ; Caiyang, WN; Qin, Y; Gui, FJ

Jiang, P (corresponding author), Univ Elect Sci & Technol China, Sch Phys, Chengdu 610054, Peoples R China.

APPLIED PHYSICS B-LASERS AND OPTICS, 2020; 126 (7):

Abstract

We present a new scheme to produce a tunable converge elliptical optical vortex (EOV) with a phase-only element: elliptical helical lens (EHL), which ......

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