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Proceedings Paper

Atmospheric parameter measurements for non-Kolmogorov turbulence with Shack-Hartmann wavefront sensor
Author(s): Changhui Rao; Wenhan Jiang; Ning Ling
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Paper Abstract

For non-Kolmogorov turbulence, the slope structure function and the slope correlation function are used to characterize atmospheric turbulence parameters--(beta) , which is the power-law exponent of the phase power spectrum, and (rho) 0, which shows the strength of atmospheric turbulence. The slope structure-correlation function, which is related to (rho) 0 and (beta) , and the slope structure-correlation coefficient, which is only the function of (beta) and independent of (rho) 0, are developed considering the subaperture size and additive noise. The Shack-Hartmann wavefront sensor data in the recently completed horizontal atmospheric experiments for 1000 m laser beam propagation are utilized to evaluate (beta) and (rho) 0 according to the developed theory.

Paper Details

Date Published: 5 October 1999
PDF: 8 pages
Proc. SPIE 3763, Propagation and Imaging through the Atmosphere III, (5 October 1999); doi: 10.1117/12.363603
Show Author Affiliations
Changhui Rao, Institute of Optics and Electronics (China)
Wenhan Jiang, Institute of Optics and Electronics (China)
Ning Ling, Institute of Optics and Electronics (China)

Published in SPIE Proceedings Vol. 3763:
Propagation and Imaging through the Atmosphere III
Michael C. Roggemann; Luc R. Bissonnette, Editor(s)

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