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Chin. Phys. B, 2018, Vol. 27(3): 034201    DOI: 10.1088/1674-1056/27/3/034201
ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS Prev   Next  

Further analysis of scintillation index for a laser beam propagating through moderate-to-strong non-Kolmogorov turbulence based on generalized effective atmospheric spectral model

Jing Ma(马晶), Yu-Long Fu(付玉龙), Si-Yuan Yu(于思源), Xiao-Long Xie(谢小龙), Li-Ying Tan(谭立英)
National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin 150001, China
Abstract  A new expression of the scintillation index (SI) for a Gaussian-beam wave propagating through moderate-to-strong non-Kolmogorov turbulence is derived, using a generalized effective atmospheric spectrum and the extended Rytov approximation theory. Finite inner and outer scale parameters and high wave number “bump” are considered in the spectrum with a generalized spectral power law in the range of 3-4, instead of the fixed classical Kolmogorov power law of 11/3. The obtained SI expression is then used to analyze the effects of the spectral power law and the inner scale and outer scale on SI under various non-Kolmogorov fluctuation conditions. These results will be useful in future investigations of optical wave propagation through atmospheric turbulence.
Keywords:  atmospheric optics      non-Kolmogorov turbulence      scintillation index      Gaussian-beam wave  
Received:  29 September 2017      Revised:  30 November 2017      Published:  05 March 2018
PACS:  42.25.Bs (Wave propagation, transmission and absorption)  
  42.25.Dd (Wave propagation in random media)  
  42.68.Bz (Atmospheric turbulence effects)  
  42.68.Ay (Propagation, transmission, attenuation, and radiative transfer)  
Corresponding Authors:  Yu-Long Fu     E-mail:  fuyulongm@163.com

Cite this article: 

Jing Ma(马晶), Yu-Long Fu(付玉龙), Si-Yuan Yu(于思源), Xiao-Long Xie(谢小龙), Li-Ying Tan(谭立英) Further analysis of scintillation index for a laser beam propagating through moderate-to-strong non-Kolmogorov turbulence based on generalized effective atmospheric spectral model 2018 Chin. Phys. B 27 034201

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