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Proceedings Paper

Curvature-based laser guide star adaptive optics system for Gemini South
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Paper Abstract

The Gemini Observatory and University of Hawaii are planning to install an 85-element curvature adaptive optics system with a laser guide star system on its Cerro Pachon telescope in 2001. This paper discusses the motivation, issues on implementing a laser guide star with a curvature-based system, the implementation of a laser guide star based on a commercially available 2W ring-dye laser, and the expected performance of the system. Detailed simulations show very promising results for system performance down to natural guide star magnitudes of 19 - 20th magnitude. The performance cross- over point between NGS and LGS is between 13 - 16th magnitude depending on the performance parameter of interest (e.g. Strehl, energy through a slit, etc.).

Paper Details

Date Published: 7 July 2000
PDF: 7 pages
Proc. SPIE 4007, Adaptive Optical Systems Technology, (7 July 2000); doi: 10.1117/12.390399
Show Author Affiliations
Mark Richard Chun, Gemini Observatory (United States)
Celine D'Orgeville, Gemini Observatory (United States)
Brent L. Ellerbroek, Gemini Observatory (United States)
J. Elon Graves, Univ. of Hawaii/Manoa (United States)
Malcolm J. Northcott, Univ. of Hawaii/Manoa (United States)
Francois J. Rigaut, Gemini Observatory (United States)


Published in SPIE Proceedings Vol. 4007:
Adaptive Optical Systems Technology
Peter L. Wizinowich, Editor(s)

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