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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. 28, Iss. 7 — Jul. 1, 2011
  • pp: 1531–1539

Scattering of a partially coherent Gaussian–Schell beam from a diffuse target in slant atmospheric turbulence

Zhen-Sen Wu and Ya-Qing Li  »View Author Affiliations


JOSA A, Vol. 28, Issue 7, pp. 1531-1539 (2011)
http://dx.doi.org/10.1364/JOSAA.28.001531


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Abstract

On the basis of the extended Huygens–Fresnel principle, the scattering of partially coherent Gaussian–Schell-model (GSM) beams from a diffuse target in slant double-passage atmospheric turbulence is studied and compared with that of fully coherent Gaussian beams. Using the cross-spectral density function of the GSM beams, we derive the expressions of the mutual coherence function, angle-of-arrival fluctuation, and covariance and variance of the intensity of the scattered field, taking into account the fluctuations of both the log-amplitude and phase. The numerical results are presented, and the influences of the wavelength, propagation distance, and waist radius on scattering properties are discussed. The perturbation region of the normalized intensity variance of the partially coherent GSM beam is smaller than that of the fully coherent Gaussian beam at the middle turbulence level. The normalized intensity variance of long-distance beam propagation is smaller than that of beam propagation along a short distance.

© 2011 Optical Society of America

OCIS Codes
(010.1300) Atmospheric and oceanic optics : Atmospheric propagation
(010.1330) Atmospheric and oceanic optics : Atmospheric turbulence
(290.5930) Scattering : Scintillation
(290.5825) Scattering : Scattering theory

ToC Category:
Atmospheric and Oceanic Optics

History
Original Manuscript: April 27, 2011
Revised Manuscript: May 20, 2011
Manuscript Accepted: May 20, 2011
Published: July 1, 2011

Citation
Zhen-Sen Wu and Ya-Qing Li, "Scattering of a partially coherent Gaussian–Schell beam from a diffuse target in slant atmospheric turbulence," J. Opt. Soc. Am. A 28, 1531-1539 (2011)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-28-7-1531

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