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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 50, Iss. 24 — Aug. 20, 2011
  • pp: 4844–4847

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

Yongxin Liu, Jixiong Pu, and Baida Lü  »View Author Affiliations

Applied Optics, Vol. 50, Issue 24, pp. 4844-4847 (2011)

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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.

© 2011 Optical Society of America

OCIS Codes
(050.1940) Diffraction and gratings : Diffraction
(140.3460) Lasers and laser optics : Lasers
(050.4865) Diffraction and gratings : Optical vortices

ToC Category:
Lasers and Laser Optics

Original Manuscript: April 28, 2011
Revised Manuscript: June 18, 2011
Manuscript Accepted: June 18, 2011
Published: August 17, 2011

Yongxin Liu, Jixiong Pu, and Baida Lü, "Method for exploring the orbital angular momentum of an optical vortex beam with a triangular multipoint plate," Appl. Opt. 50, 4844-4847 (2011)

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