Ground Layer Adaptive Optics

Details Ground Layer Adaptive Optics Ground Layer Adaptive Optics

Dec 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005crphy...6.1099h&link_type=abstract

Comptes Rendus - Physique, Volume 6, Issue 10, p. 1099-1109.

Physics

Optics

2

Adaptive Optics, Ground Layer Adaptive Optics, Laser Guide Star, Laser Tomography, Turbulence Profile, Ensquared Energy, Point Spread Function, Deformable Secondary Mirror, Graal, Galacsi, Muse, Hawk-I, Assist, Optique Adaptative, Correction De La Couche Atmosphérique Basse Altitude, Étoile Artificielle Laser, Tomographie Laser, Profile De Turbulence, Énergie Encerclée, Fonction D'Etalement De Point, Miroir Secondaire Déformable, Graal, Galacsi, Muse, Hawk-I, Assist

Scientific paper

We will introduce the present knowledge of the turbulence profile Cn2 and in particular we will emphasise the existence of a turbulence layer close to the ground. Then we will present the concept of Ground Layer Adaptive Optics and will provide estimates of performance expected from such systems and their potential for astronomical applications. Finally we will provide practical implementation concepts for two instruments at the VLT, MUSE and HAWK-I using multi-Laser Guide Stars and a large Deformable Secondary Mirror. The latter will also be described as its use is optimum for GLAO systems. To cite this article: N. Hubin et al., C. R. Physique 6 (2005).

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