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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 12 — Jun. 9, 2008
  • pp: 8366–8380

Angular spread of partially coherent Hermite-cosh-Gaussian beams propagating through atmospheric turbulence

Ailin Yang, Entao Zhang, Xiaoling Ji, and Baida Lü  »View Author Affiliations


Optics Express, Vol. 16, Issue 12, pp. 8366-8380 (2008)
http://dx.doi.org/10.1364/OE.16.008366


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Abstract

The propagation of partially coherent Hermite-cosh-Gaussian (H-ChG) beams through atmospheric turbulence is studied in detail. The analytical expression for the angular spread of partially coherent H-ChG beams in turbulence is derived. It is shown that the angular spread of partially coherent H-ChG beams with smaller spatial correlation length σ0, smaller waist width w0, smaller beam parameter Ω0, and larger beam orders m, n is less affected by turbulence than that of partially coherent H-ChG beams with larger σ0, w0, Ω0, and smaller m, n. Under a certain condition partially coherent H-ChG beams may generate the same angular spread as a fully coherent Gaussian beam in free space and also in atmospheric turbulence. The angular spread of partially coherent Hermite-Gaussian (H-G), cosh-Gaussian (ChG), Gaussian Schell-model (GSM) beams, and fully coherent H-ChG, H-G, ChG, Gaussian beams is studied and treated as special cases of partially coherent H-ChG beams. The results are interpreted physically.

© 2008 Optical Society of America

OCIS Codes
(010.1330) Atmospheric and oceanic optics : Atmospheric turbulence
(030.1640) Coherence and statistical optics : Coherence
(050.1970) Diffraction and gratings : Diffractive optics

ToC Category:
Coherence and Statistical Optics

History
Original Manuscript: February 21, 2008
Revised Manuscript: April 29, 2008
Manuscript Accepted: May 7, 2008
Published: May 23, 2008

Citation
Ailin Yang, Entao Zhang, Xiaoling Ji, and Baida Lü, "Angular spread of partially coherent Hermite-cosh-Gaussian beams propagating through atmospheric turbulence," Opt. Express 16, 8366-8380 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-12-8366


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