Scintillation effects on wavefront sensing in the Rytov regime

Details Scintillation effects on wavefront sensing in the Rytov regime Scintillation effects on wavefront sensing in the Rytov regime

Nov 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000spie.4125...77m&link_type=abstract

Proc. SPIE Vol. 4125, p. 77-86, Propagation and Imaging through the Atmosphere IV, Michael C. Roggemann; Ed.

Astronomy and Astrophysics

Astronomy

Scientific paper

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.

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