Physics – Optics
Scientific paper
Aug 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992a%26a...261..677r&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 261, no. 2, p. 677-684.
Physics
Optics
62
Adaptive Optics, Laser Applications, Reference Stars, Sky Surveys (Astronomy), Celestial Reference Systems, Mean Square Values, Seeing (Astronomy), Wave Fronts
Scientific paper
The use of laser beacons to create artificial reference stars for adaptive optics has been successfully demonstrated by several experiments (Fugate et al., 1991; Primmerman et al., 1991). Nevertheless, laser beacons do not allow the global wave-front tilt determination, which relies then on the availability of a natural reference star. Taking into account the photon noise and the anisoplanatic errors, we compare the performance of adaptive optics correction using natural or artificial (laser) reference star. Sky coverage values are given for both cases, and remain low for correction at visible wavelengths. The concept of dual adaptive optics system using laser beacons is proposed, which, by correcting the tilt reference star, increases significantly the tilt sensing accuracy and allows full sky coverage down to visible wavelengths on large telescopes.
Gendron Eric
Rigaut Francois
No associations
LandOfFree
Laser guide star in adaptive optics - The tilt determination problem does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Laser guide star in adaptive optics - The tilt determination problem, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Laser guide star in adaptive optics - The tilt determination problem will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1164261