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Proceedings Paper

Fractal characteristics of laser scintillation in the atmosphere
Author(s): Wenyue Zhu; Ruizhong Rao
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Paper 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.

Paper Details

Date Published: 5 September 2002
PDF: 6 pages
Proc. SPIE 4926, Adaptive Optics and Applications II, (5 September 2002); doi: 10.1117/12.481692
Show Author Affiliations
Wenyue Zhu, Anhui Institute of Optics and Fine Mechanics (China)
Ruizhong Rao, Anhui Institute of Optics and Fine Mechanics (China)

Published in SPIE Proceedings Vol. 4926:
Adaptive Optics and Applications II
Wenhan Jiang; Robert K. Tyson, Editor(s)

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