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Proceedings Article

Atmospheric turbulence with a Shack-Hartmann wavefront sensor

[+] Author Affiliations
Matthias Schoeck

Univ. of Wyoming (USA)

Earl J. Spillar

Univ. of Wyoming and Air Force Research Lab. (USA)

Proc. SPIE 3353, Adaptive Optical System Technologies, 1092 (September 11, 1998); doi:10.1117/12.321653
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From Conference Volume 3353

  • Adaptive Optical System Technologies
  • Domenico Bonaccini; Robert K. Tyson
  • Kona, HI | March 20, 1998

abstract

We show how to resolve the autocorrelation of wavefront- sensor measurements as they are commonly taken by adaptive- optics systems into terms due to individual atmospheric layers. We exploit this factorization to measure the strength and wind speed of each turbulent layer.We show that the Kolmogorov theory provides a good description of the data and find values of Fried's parameter, r0, that are in good agreement with other measurements. Finally, a quantitative estimate of the validity of Taylor's frozen flow hypothesis is obtained.

© (1998) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Matthias Schoeck and Earl J. Spillar
"Atmospheric turbulence with a Shack-Hartmann wavefront sensor", Proc. SPIE 3353, Adaptive Optical System Technologies, 1092 (September 11, 1998); doi:10.1117/12.321653; http://dx.doi.org/10.1117/12.321653


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