Sky coverage modeling for the whole sky for laser guide star multiconjugate adaptive optics

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DOIResolve DOI: http://doi.org/10.1364/AO.51.003692
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TypeArticle
Journal titleApplied Optics
ISSN0003-6935
Volume51
Issue16
Pages36923700; # of pages: 9
SubjectLaser guide star adaptive optics; Multi-conjugate adaptive optics systems; Natural guide star; Sky coverage; Thirty Meter Telescope; Wave front sensors; Wavefronts
AbstractThe scientific productivity of laser guide star adaptive optics systems strongly depends on the sky coverage, which describes the probability of finding natural guide stars for the tip/tilt wavefront sensor(s) to achieve a certain performance. Knowledge of the sky coverage is also important for astronomers planning their observations. In this paper, we present an efficient method to compute the sky coverage for the laser guide star multiconjugate adaptive optics system, the Narrow Field Infrared Adaptive Optics System (NFIRAOS), being designed for the Thirty Meter Telescope project.We show that NFIRAOS can achieve more than 70% sky coverage over most of the accessible sky with the requirement of 191 nm total rms wavefront.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC); National Science Infrastructure
Peer reviewedYes
NPARC number21270215
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Record identifiera4a0eab0-53c8-4792-8997-b11dbe3f5820
Record created2014-01-13
Record modified2016-05-09
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