TMT deformable mirror prototype testing and verification

Kate Jackson; Jean-Pierre Veran; Corinne Boyer; Glen Herriot; David Andersen; Olivier Lardiere; Jeff Crane; Jean-Christophe Sinquin; Hubert Pagès; Christophe Landureau; Ronan Wehrle; Tim Hardy; Johnathan Whittle

doi:10.1117/12.2561623

21 December 2020 TMT deformable mirror prototype testing and verification

Kate Jackson, Jean-Pierre Veran, Corinne Boyer, Glen Herriot, David Andersen, Olivier Lardiere, Jeff Crane, Jean-Christophe Sinquin, Hubert Pagès, Christophe Landureau, Ronan Wehrle, Tim Hardy, Johnathan Whittle

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Proceedings Volume 11448, Adaptive Optics Systems VII; 114481D (2020) https://doi.org/10.1117/12.2561623
Event: SPIE Astronomical Telescopes + Instrumentation, 2020, Online Only

Abstract

The SAM616 is a prototype deformable mirror built by CILAS for the Thirty Meter Telescope’s Narrow Field Infrared Adaptive Optics System (NFIRAOS). It was delivered to NRC-HAA in August 2018 for performance testing at room temperature and at the operating temperature of NFIRAOS, -30oC. Properties that were measured include the total stroke, hysteresis, creep and coupling of the actuators, as well as the flattening ability at various temperatures. The mirror has been found to meet (and in some case exceed) all its performance requirements including its flattening requirements.

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Kate Jackson, Jean-Pierre Veran, Corinne Boyer, Glen Herriot, David Andersen, Olivier Lardiere, Jeff Crane, Jean-Christophe Sinquin, Hubert Pagès, Christophe Landureau, Ronan Wehrle, Tim Hardy, and Johnathan Whittle "TMT deformable mirror prototype testing and verification", Proc. SPIE 11448, Adaptive Optics Systems VII, 114481D (21 December 2020); https://doi.org/10.1117/12.2561623

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