Laser Technologies for Laser Guided Adaptive Optics

Pennington, D. M.

doi:10.1007/1-4020-3437-7_14

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2007

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“…This occurs when a significant number of atoms are in the upper level, and stimulated emission competes with spontaneous emission. 16 The saturation intensity for a single frequency CW (continuous wave) laser is approximately 20W m −2 , which implies that a CW laser will show saturated return for powers above 3W. The laser has to be spectrally broadened to operate at higher power without saturation.…”

Section: Laser Technologymentioning

confidence: 99%

Review of astronomical adaptive optics systems and plans

Devaney

2007

SPIE Proceedings

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Adaptive Optics systems are now working successfully on all major optical telescopes. The sky coverage of these systems is severely limited by the need for bright guide stars, and Laser guide stars have been under development since they were proposed in the 1980s. Laser guide star assisted AO has recently been commissioned at major observatories, and is finally starting to perform well enough, and reliably enough to provide for astrophysical results. The state of the art in astronomical adaptive optics is reviewed here, with emphasis on laser guide star systems. The prospects and challenges of adaptive optics and laser guide stars on the next generation of 'Extremely Large Telescopes' are also examined.

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Section: Laser Technologymentioning

confidence: 99%

Review of astronomical adaptive optics systems and plans

Devaney

2007

SPIE Proceedings

View full text Add to dashboard Cite

show abstract

Laser Technologies for Laser Guided Adaptive Optics

Cited by 1 publication

References 50 publications

Review of astronomical adaptive optics systems and plans

Review of astronomical adaptive optics systems and plans

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