Angular spread and directionality of cosh-Gaussian array beams propagating through atmospheric turbulence

Fei, 刘飞 Liu; Xiaoqing, 李晓庆 Li; Yulong, 郑宇龙 Zheng; Xiaoling, 季小玲 Ji

doi:10.3788/hplpb20112301.0070

强激光与粒子束

2011

DOI: 10.3788/hplpb20112301.0070

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Angular spread and directionality of cosh-Gaussian array beams propagating through atmospheric turbulence

刘飞 Liu Fei¹,

李晓庆 Li Xiaoqing²,

郑宇龙 Zheng Yulong³

et al.

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Propagation properties of partially coherent Hermite-cosh-Gaussian beams in non-Kolmogorov turbulence

Liu¹,

Wei-Yu²,

Chao³

et al. 2015

Acta Phys. Sin.

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Based on the extended Huygens-Fresnel principle and non-Kolmogorov spectrum, the analytical expressions for beam width and M2-factor of partially coherent Hermite-cosh-Gaussian beams going through a non-Kolmogorov turbulence are derived by means of second moments for the Wigner distribution function. Results show that the relative beam width and normalized M2-factor of partially coherent Hermite-cosh-Gaussian beams going through a non-Kolmogorov turbulence will increase when propagating in the turbulent atmosphere, and will be less affected by turbulent atmosphere with a larger beam, smaller coherent length, smaller Ch-part parameter. The relative beam width has a maximum value for increasing waist width, and normalized M2-factor has a minimum value for increasing waist width in a specific extent of coherent length. The relative beam width and normalized M2-factor both have maximum values according to the generalized power law, but decrease with increasing inner scale, and have nearly no change with increasing outer scale.

show abstract

Propagation properties of partially coherent Hermite-cosh-Gaussian beams in non-Kolmogorov turbulence

Liu¹,

Wei-Yu²,

Chao³

et al. 2015

Acta Phys. Sin.

View full text Add to dashboard Cite

show abstract

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Angular spread and directionality of cosh-Gaussian array beams propagating through atmospheric turbulence

Cited by 1 publication

References 0 publications

Propagation properties of partially coherent Hermite-cosh-Gaussian beams in non-Kolmogorov turbulence

Propagation properties of partially coherent Hermite-cosh-Gaussian beams in non-Kolmogorov turbulence

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