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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 15 — Jul. 29, 2013
  • pp: 17512–17519

Propagation of cosine-Gaussian-correlated Schell-model beams in atmospheric turbulence

Zhangrong Mei, Elena Shchepakina, and Olga Korotkova  »View Author Affiliations


Optics Express, Vol. 21, Issue 15, pp. 17512-17519 (2013)
http://dx.doi.org/10.1364/OE.21.017512


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Abstract

A stochastic beam generated by a recently introduced source of Schell type with cosine-Gaussian spectral degree of coherence is shown to possess interesting novel features on propagation in isotropic and homogeneous atmospheric turbulence with general non-Kolmogorov power spectrum. It is shown that while at small distances from the source the beam’s intensity exhibits annular profile with adjustable area of the dark region, the center disappears at sufficiently large distances and the beam’s intensity tends to Gaussian form. Hence the 3D bottle beam is produced by the cumulative effect of the random source and the atmosphere. The distances at which the on-axis beam intensity has local minima and maxima are shown to have analytic dependence on the source and the atmospheric parameters. And the influence of the fractal constant of the atmospheric power spectrum and refractive-index structure constant on beam characteristics is analyzed in depth. The novel double-cycle qualitative change in the degree of coherence is shown to occur on atmospheric propagation which was not previously known for any other beams.

© 2013 OSA

OCIS Codes
(010.1300) Atmospheric and oceanic optics : Atmospheric propagation
(030.1640) Coherence and statistical optics : Coherence

ToC Category:
Coherence and Statistical Optics

History
Original Manuscript: May 28, 2013
Revised Manuscript: July 5, 2013
Manuscript Accepted: July 5, 2013
Published: July 15, 2013

Citation
Zhangrong Mei, Elena Shchepakina, and Olga Korotkova, "Propagation of cosine-Gaussian-correlated Schell-model beams in atmospheric turbulence," Opt. Express 21, 17512-17519 (2013)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-21-15-17512


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