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Correlation singularities in partially coherent electromagnetic beams |
Optics Letters, Vol. 37, Issue 20, pp. 4179-4181 (2012)
http://dx.doi.org/10.1364/OL.37.004179
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Abstract
We demonstrate that coherence vortices, singularities of the correlation function, generally occur in partially coherent electromagnetic beams. In successive cross sections of Gaussian Schell-model beams, their locus is found to be a closed string. These coherence singularities have implications for both interference experiments and correlation of intensity fluctuation measurements performed with such beams.
© 2012 Optical Society of America
OCIS Codes
(030.1640) Coherence and statistical optics : Coherence
(050.1940) Diffraction and gratings : Diffraction
(260.1960) Physical optics : Diffraction theory
(260.2110) Physical optics : Electromagnetic optics
(260.6042) Physical optics : Singular optics
ToC Category:
Coherence and Statistical Optics
History
Original Manuscript: July 17, 2012
Revised Manuscript: August 29, 2012
Manuscript Accepted: August 29, 2012
Published: October 2, 2012
Citation
Shreyas B. Raghunathan, Hugo F. Schouten, and Taco D. Visser, "Correlation singularities in partially coherent electromagnetic beams," Opt. Lett. 37, 4179-4181 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-20-4179
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