20 W and 50 W solid-state sodium beacon guidestar laser systems for the Keck I and Gemini South Telescopes

Details 20 W and 50 W solid-state sodium beacon guidestar laser systems for the Keck I and Gemini South Telescopes 20 W and 50 W solid-state sodium beacon guidestar laser systems for the Keck I and Gemini South Telescopes

Jul 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006spie.6272e..44h&link_type=abstract

Advances in Adaptive Optics II. Edited by Ellerbroek, Brent L.; Bonaccini Calia, Domenico. Proceedings of the SPIE, Volume 6272

Physics

Optics

1

Scientific paper

Lockheed Martin Coherent Technologies (LMCT) is developing 20 W and 50 W commercial solid-state sodium beacon Guidestar Laser Systems (GLS) for the Keck I and Gemini South telescopes, respectively. This work represents a critical step toward addressing the need of the astronomical adaptive optics (AO) community for a standardized, robust, turn-key, commercial GLS that can be configured for different observatory facilities and for different AO formats - including multi-conjugate AO (MCAO) and future extremely large telescopes. These modular systems build on the proven laser technologies, user-friendly interface, and low maintenance design that were developed for the successful 12 W GLS delivered by LMCT to the Gemini North telescope in February 2005. This paper describes the GLS requirements for the Keck I and Gemini South telescopes, the design of the laser oscillators, amplifiers, sum-frequency generator, and diagnostics; the functionality of the automated remote laser control system; size, weight, power, and performance data; and the current status of the programs.

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