Francois Rigaut, Mark Chun, Matt Mountain
Gemini Observatory Northern Operations Center, 670 N. A'ohoku Place, Hilo HI 96720
Osservatorio Astronomico di Padova, Vicolo dell'Osservatorio 5, 35122 Italia
In this short paper, we try to globally describe Adaptive Optics (AO) in the context of the Extra Large Telescopes (ELTs). We give a very broad overview of where AO stands currently. We then discuss what would be the specifications of an AO system for an ELT. Finally, we review some of the engineering and theoretical challenges for ELT AO.
Appears in "ESO Workshop on Extremely Large Telescopes", in press.
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