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Optics Letters

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  • Vol. 26, Iss. 3 — Feb. 1, 2001
  • pp: 122–124

Effective spatial and angular correlations in beams of any state of spatial coherence and an associated phase-space product

Sergey A. Ponomarenko and Emil Wolf  »View Author Affiliations


Optics Letters, Vol. 26, Issue 3, pp. 122-124 (2001)
http://dx.doi.org/10.1364/OL.26.000122


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Abstract

We study effective spatial and angular correlations in beams of any state of spatial coherence, and we introduce a phase-space product, Q , which takes these correlations into account. This phase-space product is shown to reduce to the conventional beam-quality factor M2 when the beam is spatially fully coherent. We also determine the lower bound for the value of Q and demonstrate that it is attained for all Gaussian Schell-model beams.

© 2001 Optical Society of America

OCIS Codes
(030.0030) Coherence and statistical optics : Coherence and statistical optics
(030.1640) Coherence and statistical optics : Coherence
(140.3300) Lasers and laser optics : Laser beam shaping

Citation
Sergey A. Ponomarenko and Emil Wolf, "Effective spatial and angular correlations in beams of any state of spatial coherence and an associated phase-space product," Opt. Lett. 26, 122-124 (2001)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-26-3-122

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