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Proceedings Paper

Testing the VLT AO facility with ASSIST
Author(s): Remko Stuik; Robin Arsenault; Wilfried Boland; Atul Deep; Bernard Delabre; Norbert Hubin; Johann Kolb; Paolo La Penna; Frank Molster; Emiel Wiegers
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Paper Abstract

The testing and verification of ESO Very Large Telescope Adaptive Optics Facility (VLT-AOF) requires new and innovative techniques to deal with the absence of an intermediate focus on the telescope. ASSIST, The Adaptive Secondary Setup and Instrument STimulator, was developed to provide a testing facility for the ESO AOF and will allow off-telescope testing of three elements of the VLT Adaptive Optics Facility; the Deformable Secondary Mirror (DSM) and the AO systems for MUSE and HAWK-I (GALACSI and GRAAL). ASSIST will provide a full testing environment which includes an interferometric testing mode for the DSM, an on-axis testing mode with a single wavefront sensor and full operation testing modes for both the AO systems. Both natural as well as laser guide stars will be simulated under various asterisms and a realistic turbulent atmosphere will be provided for varying atmospheric conditions. ASSIST passed its final design review and is now being manufactured, integrated and tested and will be operational in mid 2011, in time for first testing with the DSM.

Paper Details

Date Published: 28 July 2010
PDF: 7 pages
Proc. SPIE 7736, Adaptive Optics Systems II, 77363M (28 July 2010); doi: 10.1117/12.857791
Show Author Affiliations
Remko Stuik, Leiden Observatory, Leiden Univ. (Netherlands)
Robin Arsenault, European Organisation for Astronomical Research in the Southern Hemisphere (Germany)
Wilfried Boland, NOVA (Netherlands)
Atul Deep, Leiden Observatory, Leiden Univ. (Netherlands)
Bernard Delabre, European Organisation for Astronomical Research in the Southern Hemisphere (Germany)
Norbert Hubin, European Organisation for Astronomical Research in the Southern Hemisphere (Germany)
Johann Kolb, European Organisation for Astronomical Research in the Southern Hemisphere (Germany)
Paolo La Penna, European Organisation for Astronomical Research in the Southern Hemisphere (Germany)
Frank Molster, NOVA (Netherlands)
Emiel Wiegers, Leiden Observatory, Leiden Univ. (Netherlands)


Published in SPIE Proceedings Vol. 7736:
Adaptive Optics Systems II
Brent L. Ellerbroek; Michael Hart; Norbert Hubin; Peter L. Wizinowich, Editor(s)

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