Changes of M2-factor for Hermite-Gaussian beams in turbulent atmosphere

Yongping, 黄永平 Huang; Bin, 张彬 Zhang; Youquan, 但有全 Dan; Na, 乔娜 Qiao

doi:10.3788/hplpb20112301.0059

强激光与粒子束

2011

DOI: 10.3788/hplpb20112301.0059

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Changes of M2-factor for Hermite-Gaussian beams in turbulent atmosphere

黄永平 Huang Yongping¹,

张彬 Zhang Bin²,

但有全 Dan Youquan³

et al.

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2012

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Effective radius of curvature of spatially partially coherent beams propagating through non-Kolmogorov turbulence

Huang¹,

Zhao²,

Xiao³

et al. 2012

Acta Phys. Sin.

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The laser beam propagation through atmospheric turbulence is of importance for both theoretical study and practical applications. Taking the Gaussian Schell-model (GSM) beam as a typical example of spatially partially coherent beams,based on the non-Kolmogorov spectrum and generalized Huygens-Fresnel principle, the analytical expression for the effective radius of curvature of GSM beams propagating through non-Kolmogorov turbulence is derived. The effects of turbulence parameters (including generalized exponent parameter, inner scale l0, and outer scale L0) and propagation distance z on the effective radius of curvature of GSM beams are stressed. It is shown that the effective radius of curvature of GSM beams increases with outer scale L0 decreasing for 3.6 4 and the inner scale l0 increasing, but dose not monotonically vary with the increases of exponent parameter and propagation distance z. The results are explained physically.

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Effective radius of curvature of spatially partially coherent beams propagating through non-Kolmogorov turbulence

Huang¹,

Zhao²,

Xiao³

et al. 2012

Acta Phys. Sin.

View full text Add to dashboard Cite

show abstract

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Changes of M2-factor for Hermite-Gaussian beams in turbulent atmosphere

Cited by 1 publication

References 0 publications

Effective radius of curvature of spatially partially coherent beams propagating through non-Kolmogorov turbulence

Effective radius of curvature of spatially partially coherent beams propagating through non-Kolmogorov turbulence

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