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Proceedings Article

Scintillation effects on wavefront sensing in the Rytov regime

[+] Author Affiliations
Frederic Mahe, Vincent Michau, Gerard Rousset, Jean-Marc Conan

ONERA (France)

Proc. SPIE 4125, Propagation and Imaging through the Atmosphere IV, 77 (November 17, 2000); doi:10.1117/12.409307
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From Conference Volume 4125

  • Propagation and Imaging through the Atmosphere IV
  • Michael C. Roggemann
  • San Diego, CA | July 30, 2000

abstract

This article presents an analysis of scintillation effects after propagation through atmospheric turbulence. It uses an expansion of the log-amplitude on the Zernike modes in the weak perturbation regime. An analytical evaluation of the error introduced by scintillation on wavefront slope measurements is then derived. For a typical profile corresponding to astronomical conditions, scintillation introduces a wavefront measurement error whose standard deviation is of the order of (lambda) /20 in the visible.

© (2000) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Frederic Mahe ; Vincent Michau ; Gerard Rousset and Jean-Marc Conan
"Scintillation effects on wavefront sensing in the Rytov regime", Proc. SPIE 4125, Propagation and Imaging through the Atmosphere IV, 77 (November 17, 2000); doi:10.1117/12.409307; http://dx.doi.org/10.1117/12.409307


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