Adaptive Optics Concept For Multi-Objects 3D Spectroscopy on ELTs

Details Adaptive Optics Concept For Multi-Objects 3D Spectroscopy on ELTs Adaptive Optics Concept For Multi-Objects 3D Spectroscopy on ELTs

2005-12-21

arxiv.org/abs/astro-ph/0512525v1

Astronomy and Astrophysics

Astrophysics

6 pages, 2 figures. To appear in IAU Symposium 232, edited by Whitelock, Leibundgut and Dennefeld

Scientific paper

10.1017/S1743921306000457

In this paper, we present a first comparison of different Adaptive Optics (AO) concepts to reach a given scientific specification for 3D spectroscopy on Extremely Large Telescope (ELT). We consider that a range of 30%-50% of Ensquarred Energy (EE) in H band (1.65um) and in an aperture size from 25 to 100mas is representative of the scientific requirements. From these preliminary choices, different kinds of AO concepts are investigated : Ground Layer Adaptive Optics (GLAO), Multi-Object AO (MOAO) and Laser Guide Stars AO (LGS). Using Fourier based simulations we study the performance of these AO systems depending on the telescope diameter.

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