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Opt Express. 2010 Jan 18;18(2):726-31. doi: 10.1364/OE.18.000726.

Average intensity and spreading of a Lorentz-Gauss beam in turbulent atmosphere.

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1
School of Sciences, Zhejiang Forestry University, Lin'an, China. zhouguoquan178@sohu.com

Abstract

The propagation of a Lorentz-Gauss beam in turbulent atmosphere is investigated. Based on the extended Huygens-Fresnel integral and the Hermite-Gaussian expansion of a Lorentz function, analytical formulae for the average intensity and the effective beam size of a Lorentz-Gauss beam are derived in turbulent atmosphere. The average intensity distribution and the spreading properties of a Lorentz-Gauss beam in turbulent atmosphere are numerically demonstrated. The influences of the beam parameters and the structure constant of the atmospheric turbulence on the propagation of a Lorentz-Gauss beam in turbulent atmosphere are also discussed in detail.

PMID:
20173892
[Indexed for MEDLINE]
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