Spreading of partially coherent cosh-Gaussian beams propagating through turbulent atmosphere

Ji Xiao-Ling; Huang Tai-Xing; Lü Bai-Da

doi:10.7498/aps.55.978

Abstract
Based on the extended Huygens-Fresnel principle, the spreading of partially coherent cosh-Gaussian beams propagating through turbulent atmosphere is studied by using the incoherent superposition of higher-order Hermite-Gaussian beams. The analytic expression of the mean-squared width of partially coherent cosh-Gaussian beams in turbulence is derived. It is shown that the spreading increases with increasing turbulent parameter C2n and decentered parameter δ of the beams. However, partially coherent cosh-Gaussian beams with larger δ are less sensitive to the effect of turbulence than those with smaller δ.

Keywords:
partially coherent cosh-Gaussian beam /

turbulence atmosphere /

beam spreading
Authors and contacts
Ji Xiao-Ling²,

Huang Tai-Xing²,

Lü Bai-Da¹

(1)四川大学激光物理与化学研究所，成都 610064; (2)四川师范大学物理系，成都 610066
References

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Vol. 55, Issue 2 - 2006-01-20

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Spreading of partially coherent cosh-Gaussian beams propagating through turbulent atmosphere

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