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Telescope windshake correction with NGS on an ELT. Strategies and first results

Abstract 305

Submitted by Serge MEIMON

Authors

S. Meimon, T. Fusco, C. Petit

Affiliations

ONERA

Abstract

We adress the design of the low order wave front sensor for the ATLAS system. This sensor will use natural guide stars and will have to compensate both for turbulence and windshake components. We compare classical integrator and Kalman filter strategies, and provide the first trade-off obtained in the E-ELT case.