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Proceedings Paper

Noise propagation for multiconjugate adaptive optics system
Author(s): Thierry Fusco; Jean-Marc Conan; Vincent Michau; Gerard Rousset
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Paper Abstract

We study the noise propagation for MultiConjugate Adaptive Optics (MCA)) systems working with Shack-Hartmann wavefront sensors (WFS). Two approaches are considered to control the deformable mirrors using WFS data: a classical Least Square approach and a Maximum A Posteriori (MAP) estimator. Analytical results, based on a Fourier transform analysis, allow us to study and quantify the reconstruction phase error for the two estimators. Consequences of the noise propagation on system design and performance is analyzed.

Paper Details

Date Published: 29 January 2002
PDF: 12 pages
Proc. SPIE 4538, Optics in Atmospheric Propagation and Adaptive Systems IV, (29 January 2002); doi: 10.1117/12.454411
Show Author Affiliations
Thierry Fusco, ONERA (France)
Jean-Marc Conan, ONERA (France)
Vincent Michau, ONERA (France)
Gerard Rousset, ONERA (France)

Published in SPIE Proceedings Vol. 4538:
Optics in Atmospheric Propagation and Adaptive Systems IV
Anton Kohnle; John D. Gonglewski; Thomas J. Schmugge, Editor(s)

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