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

doi:10.1088/1674-1056/27/3/034201

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
Accepted manuscript online:

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

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

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