Science Using the Gemini North Laser Adaptive Optics System

Details Science Using the Gemini North Laser Adaptive Optics System Science Using the Gemini North Laser Adaptive Optics System

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...211.1126t&link_type=abstract

American Astronomical Society, AAS Meeting #211, #11.26; Bulletin of the American Astronomical Society, Vol. 39, p.748

Physics

Optics

Scientific paper

The Gemini North Laser Adaptive Optics (AO) system has been in routine science use since February 2007 and provides near diffraction-limited images to both NIRI (near-infrared imaging and spectroscopy) and NIFS (near-infrared integral field unit spectroscopy). The system projects a 10 Watt laser beacon into the sky which is used to correct atmospheric aberrations at rates up to 1 kilohertz. A natural guide star is still required near the science target, but flux requirements are a factor of 50 lower than a traditional AO system, increasing sky coverage to 100% near the galactic center and 20% near the poles.
We will show examples of science targets for which the Gemini Laser AO is well-suited and quantify the typical performance increases expected. We will provide guidelines that users should follow when using the system and outline the operational capabilities of the system. In addition, planned improvements to the system will be discussed.

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