Scintillation of partially coherent Gaussian-Schell model beam propagation in slant atmospheric turbulence considering inner- and outer-scale effects

doi:10.1088/1674-1056/23/7/074202

›› 2014, Vol. 23 ›› Issue (7): 74202-074202.doi: 10.1088/1674-1056/23/7/074202

• ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS • 上一篇下一篇

Scintillation of partially coherent Gaussian-Schell model beam propagation in slant atmospheric turbulence considering inner- and outer-scale effects

李亚清^a, 吴振森^a, 张元元^a, 王明军^b

a School of Physics and Optoelectronic Engineering, Xidian University, Xi'an 710071, China;
b School of Physics and Electronic Engineering, Xianyang Normal College, Xianyang 712000, China

收稿日期:2013-09-21 修回日期:2013-10-18 出版日期:2014-07-15 发布日期:2014-07-15
基金资助:
Project supported by the National Natural Science Foundation of China (Grant Nos. 61172031 and 61271110).

Scintillation of partially coherent Gaussian-Schell model beam propagation in slant atmospheric turbulence considering inner- and outer-scale effects

Li Ya-Qing (李亚清)^a, Wu Zhen-Sen (吴振森)^a, Zhang Yuan-Yuan (张元元)^a, Wang Ming-Jun (王明军)^b

a School of Physics and Optoelectronic Engineering, Xidian University, Xi'an 710071, China;
b School of Physics and Electronic Engineering, Xianyang Normal College, Xianyang 712000, China

Received:2013-09-21 Revised:2013-10-18 Online:2014-07-15 Published:2014-07-15
Contact: Wu Zhen-Sen E-mail:wuzhs@mail.xidian.edu.cn
About author:42.25.Dd; 42.25.Kb; 42.68.Bz; 92.60.hk
Supported by:
Project supported by the National Natural Science Foundation of China (Grant Nos. 61172031 and 61271110).

摘要/Abstract

摘要： Based on the modified Rytov theory and the international telecommunication union-radio (ITU-R) slant atmospheric structure constant model, the uniform scintillation index of partially coherent Gaussian-Schell model (GSM) beam propagation in the slant path is derived from weak- to strong-turbulence regions considering inner- and outer-scale effects. The effects of wavelength of beams and inner- and outer-scale of turbulence on scintillation are analyzed numerically. Comparison between the scintillation of GSM beams under the von Karman spectrum and that of beams under the modified Hill spectrum is made. The results obtained show that the scintillation index obtained under the von Karman spectrum is smaller than that under the modified Hill spectrum. This study can find theory bases for the experiments of the partially coherent GSM beam propagation through atmospheric turbulence.

关键词: atmospheric turbulence, partially coherent beam, scintillation, atmospheric propagation

Abstract: Based on the modified Rytov theory and the international telecommunication union-radio (ITU-R) slant atmospheric structure constant model, the uniform scintillation index of partially coherent Gaussian-Schell model (GSM) beam propagation in the slant path is derived from weak- to strong-turbulence regions considering inner- and outer-scale effects. The effects of wavelength of beams and inner- and outer-scale of turbulence on scintillation are analyzed numerically. Comparison between the scintillation of GSM beams under the von Karman spectrum and that of beams under the modified Hill spectrum is made. The results obtained show that the scintillation index obtained under the von Karman spectrum is smaller than that under the modified Hill spectrum. This study can find theory bases for the experiments of the partially coherent GSM beam propagation through atmospheric turbulence.

Key words: atmospheric turbulence, partially coherent beam, scintillation, atmospheric propagation

中图分类号: (Wave propagation in random media)

42.25.Dd

42.25.Kb (Coherence) 42.68.Bz (Atmospheric turbulence effects) 92.60.hk (Convection, turbulence, and diffusion)

李亚清, 吴振森, 张元元, 王明军. Scintillation of partially coherent Gaussian-Schell model beam propagation in slant atmospheric turbulence considering inner- and outer-scale effects[J]. , 2014, 23(7): 74202-074202.

Li Ya-Qing (李亚清), Wu Zhen-Sen (吴振森), Zhang Yuan-Yuan (张元元), Wang Ming-Jun (王明军). Scintillation of partially coherent Gaussian-Schell model beam propagation in slant atmospheric turbulence considering inner- and outer-scale effects[J]. Chin. Phys. B, 2014, 23(7): 74202-074202.

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Scintillation of partially coherent Gaussian-Schell model beam propagation in slant atmospheric turbulence considering inner- and outer-scale effects

Scintillation of partially coherent Gaussian-Schell model beam propagation in slant atmospheric turbulence considering inner- and outer-scale effects

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