A proposed implementation of a ground layer adaptive optics system on the Gemini Telescope

Kei Szeto; David Andersen; David Crampton; Simon Morris; Michael Lloyd-Hart; Richard Myers; Joseph B. Jensen; Murray Fletcher; W. Rusty Gardhouse; N. Mark Milton; John Pazder; Jeff Stoesz; Doug Simons; Jean-Pierre Véran

doi:10.1117/12.672566

28 June 2006 A proposed implementation of a ground layer adaptive optics system on the Gemini Telescope

Kei Szeto, David Andersen, David Crampton, Simon Morris, Michael Lloyd-Hart, Richard Myers, Joseph B. Jensen, Murray Fletcher, W. Rusty Gardhouse, N. Mark Milton, John Pazder, Jeff Stoesz, Doug Simons, Jean-Pierre Véran

Author Affiliations +

Proceedings Volume 6269, Ground-based and Airborne Instrumentation for Astronomy; 626958 (2006) https://doi.org/10.1117/12.672566
Event: SPIE Astronomical Telescopes + Instrumentation, 2006, Orlando, Florida , United States

Abstract

We describe a simple and cost-effective concept for implementing a Ground Layer Adaptive Optics (GLAO) system on Gemini that will feed all instruments mounted at the Cassegrain focus. The design concept can provide a GLAO correction to any of the current or future seeing-limited optical or near-infrared Gemini instruments. The GLAO design uses an adaptive secondary mirror and provides a significant upgrade to the current telescope acquisition-and-guide system while reusing and building upon the existing telescope facilities and infrastructure. This paper discusses the overall design of the GLAO system including optics, opto-mechanics, laser guide star facilities, natural and laser guide stars wavefront sensors. Such a GLAO system will improve the efficiency of essentially all observations with Gemini and also will help with scheduling since it virtually eliminates poor seeing.

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Kei Szeto, David Andersen, David Crampton, Simon Morris, Michael Lloyd-Hart, Richard Myers, Joseph B. Jensen, Murray Fletcher, W. Rusty Gardhouse, N. Mark Milton, John Pazder, Jeff Stoesz, Doug Simons, and Jean-Pierre Véran "A proposed implementation of a ground layer adaptive optics system on the Gemini Telescope", Proc. SPIE 6269, Ground-based and Airborne Instrumentation for Astronomy, 626958 (28 June 2006); https://doi.org/10.1117/12.672566

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