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24 September 2018 Multiconjugate adaptive optics simulator for the Thirty Meter Telescope: design, implementation, and results
Etsuko Mieda, Jean-Pierre Véran, Matthias Rosensteiner, Paolo Turri, David Andersen, Glen Herriot, Olivier Lardière, Paolo Spanò
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Journal of Astronomical Telescopes, Instruments, and Systems, Vol. 4, Issue 4, 049002 (September 2018). https://doi.org/10.1117/1.JATIS.4.4.049002
Abstract
We present a multiconjugate adaptive optics (MCAO) system simulator bench, Herzberg NFIRAOS Optical Simulator (HeNOS). HeNOS is developed to validate the performance of the MCAO system for the Thirty Meter Telescope, as well as to demonstrate techniques critical for future AO developments. We focus on describing the derivations of parameters that scale the 30-m telescope AO system down to a bench experiment and explain how these parameters are practically implemented on an optical bench. While referring to other papers for details of AO technique developments using HeNOS, we introduce the functionality of HeNOS, in particular, three different single-conjugate AO modes that HeNOS currently offers: a laser guide star AO with a Shack–Hartmann wavefront sensor, a natural guide star AO with a pyramid wavefront sensor, and a laser guide star AO with a sodium spot elongation on the Shack–Hartmann corrected by a truth wavefront sensing on a natural guide star. Laser tomography AO and ultimate MCAO are being prepared to be implemented in the near future.
CC BY: © The Authors. Published by SPIE under a Creative Commons Attribution 4.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.
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Etsuko Mieda, Jean-Pierre Véran, Matthias Rosensteiner, Paolo Turri, David Andersen, Glen Herriot, Olivier Lardière, and Paolo Spanò "Multiconjugate adaptive optics simulator for the Thirty Meter Telescope: design, implementation, and results," Journal of Astronomical Telescopes, Instruments, and Systems 4(4), 049002 (24 September 2018). https://doi.org/10.1117/1.JATIS.4.4.049002
Received: 22 February 2018; Accepted: 5 September 2018; Published: 24 September 2018
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KEYWORDS
Adaptive optics
Device simulation
Sodium
Point spread functions
Optical simulations
Thirty Meter Telescope
Cameras
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