2011•Applied OpticsRequires access

Method for exploring the orbital angular momentum of an optical vortex beam with a triangular multipoint plate

Yong-Xin Liu, Jixiong Pu, Baida Lü

Abstract

An efficient method for exploring the orbital angular momentum of an optical vortex beam is provided. The method, based on a triangular multipoint plate, can easily determine both the sign and the magnitude of the topological charge of the optical vortices. We demonstrate its feasibility by measuring the orbital angular momentum of Laguerre-Gaussian laser beams.

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Available abstract

Key concepts: Optical vortex, Angular momentum, Physics, Orbital angular momentum of light, Orbital angular momentum multiplexing, Optics, Topological quantum number, Angular momentum of light