title: Inner- and outer-scale effects on the scintillation index of an optical wave propagating through moderate-to-strong non-Kolmogorov turbulence.
abstract: By use of the generalized von Kármán spectrum model that features both inner scale and outer scale parameters for non-Kolmogorov turbulence and the extended Rytov method that incorporates a modified amplitude spatial-frequency filter function under strong-fluctuation conditions, theoretical expressions are developed for the scintillation index of a horizontally propagating plane wave and spherical wave that are valid under moderate-to-strong irradiance fluctuations. Numerical results show that the obtained expressions also compare well with previous results in weak-fluctuation regimes. Based on these general models, the impacts of finite inner and outer scales on the scintillation index of an optical wave are examined under various non-Kolmogorov fluctuation conditions.
authors.affiliation: State Key Laboratory on Integrated Services Networks, Xidian University, Xi’an 710071, China. yixiang@xidian.edu.cn
authors.forename: Xiang
authors.initials: X
authors.lastname: Yi
authors.forename: Zengji
authors.initials: Z
authors.lastname: Liu
authors.forename: Peng
authors.initials: P
authors.lastname: Yue