Fractal characteristics of laser scintillation in the atmosphere

Wenyue Zhu; Ruizhong Rao

doi:10.1117/12.481692

5 September 2002 Fractal characteristics of laser scintillation in the atmosphere

Wenyue Zhu, Ruizhong Rao

Proceedings Volume 4926, Adaptive Optics and Applications II; (2002) https://doi.org/10.1117/12.481692
Event: Photonics Asia, 2002, Shanghai, China

Abstract

Laser scintillation in the atmosphere exhibits fractal behavior. Two fractal characteristic parameters, the fractal dimension and the Hurst coefficient, are analyzed and compared with two traditional parameters, the scintillation index and the scaling exponent of the power spectrum. Results show that the scintillation is a kind of non-stationary process with long-run dependence; under the saturated scintillation conditions, the values of the two-fractal parameters are mostly smaller than those under weak scintillation conditions. According to the statistical behavior of the fractal parameters, it is possible to find new ways to deal with some problems concerning the scintillation saturation.

Citation Download Citation

Wenyue Zhu and Ruizhong Rao "Fractal characteristics of laser scintillation in the atmosphere", Proc. SPIE 4926, Adaptive Optics and Applications II, (5 September 2002); https://doi.org/10.1117/12.481692

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