Experiments on laser guide stars at Mauna Kea Observatory for adaptive imaging in astronomy

Details Experiments on laser guide stars at Mauna Kea Observatory for adaptive imaging in astronomy Experiments on laser guide stars at Mauna Kea Observatory for adaptive imaging in astronomy

Jul 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987natur.328..229t&link_type=abstract

Nature (ISSN 0028-0836), vol. 328, July 16, 1987, p. 229-231. NSF-supported research.

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74

Astronomical Observatories, Imaging Techniques, Laser Applications, Astronomical Photography, Feasibility Analysis, Mesosphere, Reference Stars, Sodium

Scientific paper

Atmospheric turbulence severely limits the resolution of ground-based astronomical telescopes. During the past 15 years, adaptive optical systems with electrically deformable mirrors have been developed to compensate for turbulence. Foy and Labeyrie were the first to suggest that lasers could be used to create artificial guide stars that might be suitable in controlling an adaptive imaging system. The authors have identified the key engineering parameters that optimize the performance of a laser-guided imaging system. On the nights of 21 and 22 January 1987, they conducted experiments at the Mauna Kea Observatory on the island of Hawaii to test the feasibility of using a laser to generate an artificial guide star in the mesospheric sodium layer.

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