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Proceedings Article

Atmospheric parameter measurements for non-Kolmogorov turbulence with Shack-Hartmann wavefront sensor

[+] Author Affiliations
Changhui Rao, Wenhan Jiang, Ning Ling

Institute of Optics and Electronics (China)

Proc. SPIE 3763, Propagation and Imaging through the Atmosphere III, 84 (October 5, 1999); doi:10.1117/12.363603
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From Conference Volume 3763

  • Propagation and Imaging through the Atmosphere III
  • Michael C. Roggemann; Luc R. Bissonnette
  • Denver, CO, USA | July 18, 1999

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.

© (1999) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Changhui Rao ; Wenhan Jiang and Ning Ling
"Atmospheric parameter measurements for non-Kolmogorov turbulence with Shack-Hartmann wavefront sensor", Proc. SPIE 3763, Propagation and Imaging through the Atmosphere III, 84 (October 5, 1999); doi:10.1117/12.363603; http://dx.doi.org/10.1117/12.363603


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