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Proceedings Paper

CHARA array adaptive optics II: non-common-path correction and downstream optics
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Paper Abstract

We describe a back-end Adaptive Optics system for the CHARA Array called Lab-AO intended to compensate for non-common path errors between the AO system at the telescopes and the final beam combining area some hundreds of meters away. The system is an on-axis, very small field of view, low order system that will work on star light if enough is present, or will make use of a blue light beacon sent from the telescope towards the laboratory if not enough star light is available. The first of six of these system has been installed and has recently been tested on the sky. Another five will be built for the remaining telescopes later this year.

Paper Details

Date Published: 7 August 2014
PDF: 5 pages
Proc. SPIE 9148, Adaptive Optics Systems IV, 91484Q (7 August 2014); doi: 10.1117/12.2056662
Show Author Affiliations
Theo ten Brummelaar, The CHARA Array (United States)
Xiao Che, Univ. of Michigan (United States)
Harold McAlister, CHARA, Georgia State Univ. (United States)
Michael Ireland, The Australian National Univ. (Australia)
John Monnier, Univ. of Michigan (United States)
Denis Mourard, Univ. de Nice (France)
Stephen Ridgway, National Optical Astronomy Observatory (United States)
Judit Sturmann, The CHARA Array (United States)
Laszlo Sturmann, The CHARA Array (United States)
Nils Turner, The CHARA Array (United States)
Peter Tuthill, The Univ. of Sydney (Australia)

Published in SPIE Proceedings Vol. 9148:
Adaptive Optics Systems IV
Enrico Marchetti; Laird M. Close; Jean-Pierre Véran, Editor(s)

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