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Proceedings Paper

The Gemini South MCAO laser guide star facility: getting ready for first light
Author(s): Céline d'Orgeville; Felipe Daruich; Gustavo Arriagada; Matthieu Bec; Maxime Boccas; Stacy Bombino; Chris Carter; Chas Cavedoni; Fabian Collao; Paul Collins; Eric James; Stan Karewicz; Manuel Lazo; Diego Maltes; Ron Mouser; Gabriel Perez; François Rigaut; Roberto Rojas; Mike Sheehan; Gelys Trancho; Vicente Vergara; Tomislav Vucina
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Paper Abstract

The Gemini Observatory is in the final integration and test phase for its Multi-Conjugate Adaptive Optics (MCAO) project at the Gemini South 8-meter telescope atop Cerro Pachón, Chile. This paper presents an overview and status of the laser-side of the MCAO project in general and its Beam Transfer Optics (BTO), Laser Launch Telescope (LLT) and Safety Systems in particular. We review the commonalities and differences between the Gemini North Laser Guide Star (LGS) facility producing one LGS with a 10W-class laser, and its southern sibling producing five LGS with a 50W-class laser. We also highlight the modifications brought to the initial Gemini South LGS facility design based on lessons learned over 3 years of LGS operations in Hawaii. Finally, current integration and test results of the BTO and on-sky LLT performance are presented. Laser first light is expected in early 2009.

Paper Details

Date Published: 10 July 2008
PDF: 12 pages
Proc. SPIE 7015, Adaptive Optics Systems, 70152P (10 July 2008); doi: 10.1117/12.788970
Show Author Affiliations
Céline d'Orgeville, Gemini Observatory (Chile)
Felipe Daruich, Gemini Observatory (Chile)
Gustavo Arriagada, Gemini Observatory (Chile)
Matthieu Bec, Gemini Observatory (Chile)
Maxime Boccas, Gemini Observatory (Chile)
Stacy Bombino, Gemini Observatory (United States)
Chris Carter, Gemini Observatory (United States)
Chas Cavedoni, Gemini Observatory (United States)
Fabian Collao, Gemini Observatory (Chile)
Paul Collins, Gemini Observatory (Chile)
Eric James, Gemini Observatory (United States)
Stan Karewicz, Gemini Observatory (United States)
Manuel Lazo, Gemini Observatory (Chile)
Diego Maltes, Gemini Observatory (Chile)
Ron Mouser, Gemini Observatory (Chile)
Gabriel Perez, Gemini Observatory (Chile)
François Rigaut, Gemini Observatory (Chile)
Roberto Rojas, Gemini Observatory (Chile)
Mike Sheehan, Gemini Observatory (United States)
Gelys Trancho, Gemini Observatory (Chile)
Vicente Vergara, Gemini Observatory (Chile)
Tomislav Vucina, Gemini Observatory (Chile)

Published in SPIE Proceedings Vol. 7015:
Adaptive Optics Systems
Norbert Hubin; Claire E. Max; Peter L. Wizinowich, Editor(s)

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