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Monte Carlo modelling of multiconjugate adaptive optics performance on the European Extremely Large Telescope.

Basden, Alastair (2015) 'Monte Carlo modelling of multiconjugate adaptive optics performance on the European Extremely Large Telescope.', Monthly notices of the Royal Astronomical Society., 453 (3). pp. 3036-3042.


The performance of a wide-field adaptive optics system depends on input design parameters. Here we investigate the performance of a multiconjugate adaptive optics system design for the European Extremely Large Telescope, using an end-to-end Monte Carlo adaptive optics simulation tool, DASP (Durham adaptive optics simulation platform). We consider parameters such as the number of laser guide stars, sodium layer depth, wavefront sensor pixel scale, number of deformable mirrors (DMs), mirror conjugation and actuator pitch. We provide potential areas where costs savings can be made, and investigate trade-offs between performance and cost. We conclude that a six-laser guide star system using three DMs seems to be a sweet spot for performance and cost compromise.

Item Type:Article
Keywords:Instrumentation: adaptive optics, Methods: numerical.
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Publisher statement:This article has been accepted for publication in Monthly notices of the Royal Astronomical Society ©: 2015 The Author Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved.
Date accepted:11 August 2015
Date deposited:09 February 2016
Date of first online publication:03 September 2015
Date first made open access:No date available

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