Céline d'Orgeville,1 Felipe Daruich,1 Gustavo Arriagada,1 Matthieu Bec,1 Maxime Boccas,1 Stacy Bombino,2 Chris Carter,2 Chas Cavedoni,2 Fabian Collao,1 Paul Collins,1 Eric James,2 Stan Karewicz,2 Manuel Lazo,1 Diego Maltes,1 Ron Mouser,1 Gabriel Perez,1 François Rigaut,1 Roberto Rojas,1 Mike Sheehan,2 Gelys Trancho,1 Vicente Vergara,1 Tomislav Vucina1
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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.
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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, "The Gemini South MCAO laser guide star facility: getting ready for first light," Proc. SPIE 7015, Adaptive Optics Systems, 70152P (10 July 2008); https://doi.org/10.1117/12.788970