NGS2: a focal plane array upgrade for the GeMS multiple tip-tilt wavefront sensor

François Rigaut; Ian Price; Céline d'Orgeville; Francis Bennet; Nick Herrald; Nicolas Paulin; Kristina Uhlendorf; Vincent Garrel; Gaetano Sivo; Vanessa Montes; Chad Trujillo

doi:10.1117/12.2230481

26 July 2016 NGS2: a focal plane array upgrade for the GeMS multiple tip-tilt wavefront sensor

François Rigaut; Ian Price; Céline d'Orgeville; Francis Bennet; Nick Herrald; Nicolas Paulin; Kristina Uhlendorf; Vincent Garrel; Gaetano Sivo; Vanessa Montes; Chad Trujillo

Author Affiliations +

Proceedings Volume 9909, Adaptive Optics Systems V; 99091X (2016) https://doi.org/10.1117/12.2230481
Event: SPIE Astronomical Telescopes + Instrumentation, 2016, Edinburgh, United Kingdom

Abstract

NGS2 is an upgrade for the multi-natural guide star tip-tilt & plate scale wavefront sensor for GeMS (Gemini Multi-Conjugate Adaptive Optics system). It uses a single Nüvü HNü-512 Electron-Multiplied CCD array that spans the entire GeMS wavefront sensor focal plane. Multiple small regions-of-interest are used to enable frame rates up to 800Hz. This set up will improve the optical throughput with respect to the current wavefront sensor, as well as streamline acquisition and allow for distortion compensation.

Citation Download Citation

François Rigaut, François Rigaut, Ian Price, Ian Price, Céline d'Orgeville, Céline d'Orgeville, Francis Bennet, Francis Bennet, Nick Herrald, Nick Herrald, Nicolas Paulin, Nicolas Paulin, Kristina Uhlendorf, Kristina Uhlendorf, Vincent Garrel, Vincent Garrel, Gaetano Sivo, Gaetano Sivo, Vanessa Montes, Vanessa Montes, Chad Trujillo, Chad Trujillo, } "NGS2: a focal plane array upgrade for the GeMS multiple tip-tilt wavefront sensor", Proc. SPIE 9909, Adaptive Optics Systems V, 99091X (26 July 2016); doi: 10.1117/12.2230481; https://doi.org/10.1117/12.2230481

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