| ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS |
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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 |
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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.
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Received: 21 September 2013
Revised: 18 October 2013
Accepted manuscript online:
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PACS:
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42.25.Dd
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(Wave propagation in random media)
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42.25.Kb
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(Coherence)
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42.68.Bz
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(Atmospheric turbulence effects)
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92.60.hk
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(Convection, turbulence, and diffusion)
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| Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 61172031 and 61271110). |
Corresponding Authors:
Wu Zhen-Sen
E-mail: wuzhs@mail.xidian.edu.cn
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| About author: 42.25.Dd; 42.25.Kb; 42.68.Bz; 92.60.hk |
Cite this article:
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 2014 Chin. Phys. B 23 074202
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