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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 45, Iss. 2 — Jan. 10, 2006
  • pp: 366–368

Comment on “Partially coherent flat-topped beam and its propagation”

Guohua Wu, Hong Guo, and Dongmei Deng  »View Author Affiliations


Applied Optics, Vol. 45, Issue 2, pp. 366-368 (2006)
http://dx.doi.org/10.1364/AO.45.000366


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Abstract

We point out that the expression of the cross-spectral density (CSD) of a partially coherent flat-topped beam (PCFB) given by Ge et al. [Appl. Opt. 43, 4732 (2004)] is incorrect. The results show that the M 2 factor derived based on Ge's expression leads to M 2 < 1 in some cases, which is physically unacceptable. A new expression of the CSD for a PCFB is given.

© 2006 Optical Society of America

OCIS Codes
(030.1640) Coherence and statistical optics : Coherence
(140.3300) Lasers and laser optics : Laser beam shaping

ToC Category:
Coherence and Statistical Optics

Citation
Guohua Wu, Hong Guo, and Dongmei Deng, "Comment on "Partially coherent flat-topped beam and its propagation"," Appl. Opt. 45, 366-368 (2006)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-45-2-366

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