Analysis of the performances of 45 degrees tilted deformable mirrors for the EST MCAO

Marco Stangalini; Fernando Pedichini; Francesco Berrilli; Dario Del Moro; Ilaria Ermolli; Fabrizio Giorgi

doi:10.1117/12.2232421

27 July 2016 Analysis of the performances of 45 degrees tilted deformable mirrors for the EST MCAO

Marco Stangalini, Fernando Pedichini, Francesco Berrilli, Dario Del Moro, Ilaria Ermolli, Fabrizio Giorgi

Proceedings Volume 9909, Adaptive Optics Systems V; 99097I (2016) https://doi.org/10.1117/12.2232421
Event: SPIE Astronomical Telescopes + Instrumentation, 2016, Edinburgh, United Kingdom

Abstract

The European Solar Telescope (EST) will be best suited for very high accuracy polarization measurements. Indeed, its optical design is such that the telescope as a whole does not modify the polarization state of the incoming light. For this reason, a mutually compensating configuration with non-standard 45 degrees tilted deformable mirrors (DMs) is proposed for its multi-conjugated adaptive optics (MCAO) system. We studied such non-standard configuration and the impact of DMs with large incidence angles on the overall performances of the EST MCAO system. In this work we present some preliminary results derived from our study.

Citation Download Citation

Marco Stangalini, Fernando Pedichini, Francesco Berrilli, Dario Del Moro, Ilaria Ermolli, and Fabrizio Giorgi "Analysis of the performances of 45 degrees tilted deformable mirrors for the EST MCAO", Proc. SPIE 9909, Adaptive Optics Systems V, 99097I (27 July 2016); https://doi.org/10.1117/12.2232421

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