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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Editor: Stephen A. Burns
  • Vol. 24, Iss. 8 — Aug. 1, 2007
  • pp: 2242–2247

Spatial correlation properties of focused partially coherent vortex beams

Lianzhou Rao and Jixiong Pu  »View Author Affiliations


JOSA A, Vol. 24, Issue 8, pp. 2242-2247 (2007)
http://dx.doi.org/10.1364/JOSAA.24.002242


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Abstract

The spatial correlation properties in the geometrical focal region of a converging, partially coherent vortex wave field are analyzed. Expressions are derived for a pair of points on the axis of symmetry and for a pair of points in the focal plane. It is found that the longitudinal and transverse coherence lengths in the focal region change with the variation of the topological charge and the normalized coherence length of the vortex field. In addition, the degree of coherence is shown to possess phase singularities.

© 2007 Optical Society of America

OCIS Codes
(030.1640) Coherence and statistical optics : Coherence
(050.1970) Diffraction and gratings : Diffractive optics

ToC Category:
Coherence and Statistical Optics

History
Original Manuscript: November 27, 2006
Manuscript Accepted: February 22, 2007
Published: July 11, 2007

Citation
Lianzhou Rao and Jixiong Pu, "Spatial correlation properties of focused partially coherent vortex beams," J. Opt. Soc. Am. A 24, 2242-2247 (2007)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-24-8-2242

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