Phase A AO system design and performance for MOSAIC at the ELT

Timothy Morris; Alastair Basden; Ariadna Calcines-Rosario; Kjetil Dohlen; Cornelis Dubbeldam; Kacem El Hadi; Ewan Fitzsimons; Thierry Fusco; Éric Gendron; François Hammer; Pascal Jagourel; David Jenkins; Carine Morel; Simon Morris; Gérard Rousset; Matthew Townson; Pascal Vola; Edward Younger

doi:10.1117/12.2313562

13 July 2018 Phase A AO system design and performance for MOSAIC at the ELT

Timothy Morris, Alastair Basden, Ariadna Calcines-Rosario, Kjetil Dohlen, Cornelis Dubbeldam, Kacem El Hadi, Ewan Fitzsimons, Thierry Fusco, Éric Gendron, François Hammer, Pascal Jagourel, David Jenkins, Carine Morel, Simon Morris, Gérard Rousset, Matthew Townson, Pascal Vola, Edward Younger

Author Affiliations +

Proceedings Volume 10703, Adaptive Optics Systems VI; 1070316 (2018) https://doi.org/10.1117/12.2313562
Event: SPIE Astronomical Telescopes + Instrumentation, 2018, Austin, Texas, United States

Abstract

MOSAIC is a mixed-mode multiple object spectrograph planned for the ELT that uses a tiled focal plane to support a variety of observing modes. The MOSAIC AO system uses 4 LGS WFS and up to 4 NGS WFS positioned anywhere within the full 10 arcminute ELT field of view to control either the ELT M4/5 alone for GLAO operation feeding up to 200 targets in the focal plane, or M4/5 in conjunction with 10 open-loop DMs for MOAO correction. In this paper we present the overall design and performance of the MOSAIC GLAO and MOAO systems.

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Timothy Morris, Alastair Basden, Ariadna Calcines-Rosario, Kjetil Dohlen, Cornelis Dubbeldam, Kacem El Hadi, Ewan Fitzsimons, Thierry Fusco, Éric Gendron, François Hammer, Pascal Jagourel, David Jenkins, Carine Morel, Simon Morris, Gérard Rousset, Matthew Townson, Pascal Vola, and Edward Younger "Phase A AO system design and performance for MOSAIC at the ELT", Proc. SPIE 10703, Adaptive Optics Systems VI, 1070316 (13 July 2018); https://doi.org/10.1117/12.2313562

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