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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: Franco Gori
  • Vol. 27, Iss. 12 — Dec. 1, 2010
  • pp: 2630–2637

Measurements of spatial coherence of partially coherent light with and without orbital angular momentum

H. Di Lorenzo Pires, J. Woudenberg, and M. P. van Exter  »View Author Affiliations


JOSA A, Vol. 27, Issue 12, pp. 2630-2637 (2010)
http://dx.doi.org/10.1364/JOSAA.27.002630


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Abstract

We study the spatial coherence of a partially coherent beam before and after being transmitted through a spiral phase plate that changes the overall orbital angular momentum of the field. The two-point coherence function is measured and directly visualized on a CCD through interference in a Mach–Zehnder interferometer equipped with an image rotator. We show, in particular, how the coherence singularities associated with Airy rings are strongly affected by the spiral phase plate.

© 2010 Optical Society of America

OCIS Codes
(030.1640) Coherence and statistical optics : Coherence
(110.4980) Imaging systems : Partial coherence in imaging
(120.3180) Instrumentation, measurement, and metrology : Interferometry

ToC Category:
Coherence and Statistical Optics

History
Original Manuscript: September 14, 2010
Revised Manuscript: October 22, 2010
Manuscript Accepted: October 27, 2010
Published: November 19, 2010

Citation
H. Di Lorenzo Pires, J. Woudenberg, and M. P. van Exter, "Measurements of spatial coherence of partially coherent light with and without orbital angular momentum," J. Opt. Soc. Am. A 27, 2630-2637 (2010)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-27-12-2630

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