Modelling the multi-conjugate adaptive optics system of the European Extremely Large Telescope
Date Issued
2015
Author(s)
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Butler, R. C.
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Abstract
MAORY is the Multi-Conjugate Adaptive Optics Module for the E-ELT. The baseline design assumes six sodium Laser Guide Stars and three Natural Guide Stars for wavefront sensing. Three deformable mirrors, including the telescope adaptive mirror M4, are optically conjugated to different altitudes in the atmosphere to achieve compensation of the atmospheric turbulence effects over an extended Field of View. In preparation for the project phase-B we are analyzing different critical aspects of such a system. We are developing a versatile and modular end-to-end simulation code that makes use of GPUs to obtain high-fidelity modelling of the system performance and, in parallel, a semplified code for the analysis of the effects induced by the temporal variation of the sodium layer where the artificial laser guide stars are generated. An overview of the work in progress will be given.
Volume
86
Start page
436
Issn Identifier
0037-8720
Ads BibCode
2015MmSAI..86..436S
Rights
open.access
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