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Opt Express. 2008 Dec 22;16(26):21315-20.

Propagation of Bessel-Gaussian beams with optical vortices in turbulent atmosphere.

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  • 1School of Physics Science and Technology, Central South University, Changsha 410083, Hunan, China.


An approximate expression of a Bessel-Gaussian beam (BGB) with desired topological charge is introduced using a coherence superposition of decentered Gaussian beams (dGBs). And based on such an expression and the extended Huygens-Fresnel principle, the propagation properties of BGBs traveling in turbulent atmosphere are explored. An analytical expression of the average intensity of a BGB with phase singularity propagating through turbulent atmosphere is obtained and analyzed numerically. It is found that intensity profiles of BGBs experienced successive variations and the phase singularity rapidly fades away during propagating in turbulent atmosphere.

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