Publication details for Dr Alastair BasdenBasden, 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): 3036-3042.
- Publication type: Journal Article
- ISSN/ISBN: 0035-8711 (print), 1365-2966 (electronic)
- DOI: 10.1093/mnras/stv1875
- Keywords: Instrumentation: adaptive optics, Methods: numerical.
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Author(s) from Durham
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.