Propagation properties of partially coherent Hermite–Gaussian beams through non-Kolmogorov turbulence

doi:10.1088/1674-1056/20/9/094210

中国物理B ›› 2011, Vol. 20 ›› Issue (9): 94210-094210.doi: 10.1088/1674-1056/20/9/094210

• CLASSICAL AREAS OF PHENOMENOLOGY • 上一篇下一篇

Propagation properties of partially coherent Hermite–Gaussian beams through non-Kolmogorov turbulence

何雪梅, 吕百达

Institute of Laser Physics and Chemistry, Sichuan University, Chengdu 610064, China

收稿日期:2011-01-16 修回日期:2011-04-26 出版日期:2011-09-15 发布日期:2011-09-15

Propagation properties of partially coherent Hermite–Gaussian beams through non-Kolmogorov turbulence

He Xue-Mei(何雪梅) and Lü Bai-Da(吕百达)^†

Institute of Laser Physics and Chemistry, Sichuan University, Chengdu 610064, China

Received:2011-01-16 Revised:2011-04-26 Online:2011-09-15 Published:2011-09-15

摘要/Abstract

摘要： The propagation properties of partially coherent Hermite—Gaussian beams through non-Kolmogorov atmospheric turbulence are studied. The effects of non-Kolmogorov turbulence and beam nonparaxiality on the average intensity evolution and the beam-width spreading are stressed. It is found that the evolution of the average intensity distribution and the beam-width spreading depends on the generalized exponent factor, namely, on the non-Kolmogorov turbulence strength for the paraxial case. For the non-paraxial case the effect of the turbulence is negligible, while the beam-width spreading becomes very large. The analytical results are illustrated numerically and interpreted physically.

Abstract: The propagation properties of partially coherent Hermite—Gaussian beams through non-Kolmogorov atmospheric turbulence are studied. The effects of non-Kolmogorov turbulence and beam nonparaxiality on the average intensity evolution and the beam-width spreading are stressed. It is found that the evolution of the average intensity distribution and the beam-width spreading depends on the generalized exponent factor, namely, on the non-Kolmogorov turbulence strength for the paraxial case. For the non-paraxial case the effect of the turbulence is negligible, while the beam-width spreading becomes very large. The analytical results are illustrated numerically and interpreted physically.

Key words: non-Kolmogorov turbulence, partially coherent paraxial and non-paraxial Hermite—Gaussian beams, propagation

中图分类号: (Propagation, transmission, attenuation, and radiative transfer)

42.68.Ay

42.68.Bz (Atmospheric turbulence effects) 42.25.Dd (Wave propagation in random media) 42.25.Fx (Diffraction and scattering)

何雪梅, 吕百达. Propagation properties of partially coherent Hermite–Gaussian beams through non-Kolmogorov turbulence[J]. 中国物理B, 2011, 20(9): 94210-094210.

He Xue-Mei(何雪梅) and Lü Bai-Da(吕百达) . Propagation properties of partially coherent Hermite–Gaussian beams through non-Kolmogorov turbulence[J]. Chin. Phys. B, 2011, 20(9): 94210-094210.

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Propagation properties of partially coherent Hermite–Gaussian beams through non-Kolmogorov turbulence

Propagation properties of partially coherent Hermite–Gaussian beams through non-Kolmogorov turbulence

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