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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Editor: Zhizhan Xu
  • Vol. 10, Iss. 12 — Dec. 1, 2012
  • pp: 120501–120501

Characterizing topological charge of optical vortex using non-uniformly distributed multi-pinhole plate

Lei Shi, Linghao Tian, and Xianfeng Chen  »View Author Affiliations


Chinese Optics Letters, Vol. 10, Issue 12, pp. 120501-120501 (2012)


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Abstract

We propose an efficient method for characterizing the orbital angular momentum (OAM) of an optical vortex with a large topological charge (TC) through distinguishing the interference pattern of the non-uniformly-distributed multi-pinholes using fewer pinholes. This method overcomes the limit on large TC detection by multi-point interferometer and can be used to probe optical vortices with arbitrary sizes. In addition, it also has potential application in measuring light beam with OAM from astronomical sources.

© 2012 Chinese Optics Letters

OCIS Codes
(050.4865) Diffraction and gratings : Optical vortices
(260.6042) Physical optics : Singular optics

ToC Category:
Diffraction and Gratings

Citation
Lei Shi, Linghao Tian, and Xianfeng Chen, "Characterizing topological charge of optical vortex using non-uniformly distributed multi-pinhole plate," Chin. Opt. Lett. 10, 120501-120501 (2012)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-10-12-120501

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