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Optimal control for Multi-Conjugate Adaptive Optics |
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| Authors: | Cyril Petit Jean-Marc Conan Caroline Kulcsr Henri-Franois Raynaud Thierry Fusco Joseph Montri Didier Rabaud |
| Institution: | aOffice national d'études et de recherches aérospatiales, BP 72, 92322 Châtillon cedex, France;bUniversité Paris 13, institut Galilée, L2TI, 93430 Villetaneuse, France;cShaktiware, 27, boulevard C. Moretti, 13014 Marseille, France |
| Abstract: | Classic adaptive optics (AO) is now a proven technique that provides a closed loop real time correction of the turbulence. It is generally based on simple and efficient control algorithms. The next AO generation (Multi-Conjugate AO (MCAO) in its various forms and Extreme AO (XAO)) will require more sophisticated control approaches, especially in the case of wide field AO. We present here the concepts behind optimal control. The advantages compared to more standard approaches are stressed. A first experimental validation is presented. To cite this article: C. Petit et al., C. R. Physique 6 (2005). |
| Keywords: | Adaptive optics Kalman filter Control theoryMots-clé s: Optique adaptative Filtre de Kalman Automatique |
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