Abstract

We present a first experimental validation of vibration filtering with a Linear Quadratic Gaussian (LQG) control law in Adaptive Optics (AO). A quasi-pure mechanical vibration is generated on a classic AO bench and filtered by the control law, leading to an improvement of the Strehl Ratio and image stability. Vibration filtering may be applied to any AO system, but these results are of particular interest for eXtrem AO, and for instance for the SPHERE AO design, where high performance is required.

© 2008 Optical Society of America

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2007 (1)

2006 (3)

2004 (4)

Y. Cl’enet, M.E. Kasper, N. Ageorges, C. Lidman, T. Fusco, O. Marco, M. Hartung, D. Mouillet, B. Koehler, G. Rousset and N. Hubin, "NACO performance: status after 2 years of operation," in Advancements in Adaptive Optics, D. Bonaccini Calia, B. L. Ellerbroek and R. Ragazzoni eds., Proc. SPIE 5490, 107-117, (2004).

J. A. Stoesz, J.-P. V’eran, F. Rigaut, G. Herriot, L. Jolissaint and D. Frenette, "Evaluation of the on-sky performance of Altair," in Advancements in Adaptive Optics, D. Bonaccini Calia, B. L. Ellerbroek and R. Ragazzoni eds., Proc. SPIE 5490, 67-78, (2004).

C. Petit, F. Quiros-Pacheco, J.-M. Conan, C. Kulcs’ar, H.-F. Raynaud, T. Fusco, and G. Rousset, "Kalman Filter based control loop for Adaptive Optics," in Advancements in Adaptive Optics, D. Bonaccini Calia, B. L. Ellerbroek and R. Ragazzoni eds., Proc. SPIE 5490,1414-1425,(2004).

B. Le Roux, J.-M. Conan, C. Kulcs’ar, H.-F. Raynaud, L. Mugnier and T. Fusco,"Optimal control law for classical and multiconjugate adaptive optics," J. Opt. Soc. Am. A 21, 1261-1276, (2004).
[CrossRef]

2002 (1)

G. Rousset, F. Lacombe, P. Puget, N. Hubin, E. Gendron, T. Fusco, R. Arsenault, J. Charton, P. Gigan, P. Kern, A.-M. Lagrange, P.-Y. Madec, D. Mouillet, D. Rabaud, P. Rabou, E. Stadler and G. Zins, "NAOS, the first AO system of the VLT: on sky performance," in Adaptive Optical System Technology II, Bellingham, Proc. SPIE 4839, 140-149, (2002).

1998 (1)

1993 (1)

1990 (1)

C. Mohtadi., "Bode’s integral theorem for discrete-time systems," Proceedings of the IEE 137, 57-66, (1990).

Appl. Opt. (2)

J. Opt. Soc. Am. A (3)

Opt. Express (2)

Proc. SPIE (4)

C. Petit, F. Quiros-Pacheco, J.-M. Conan, C. Kulcs’ar, H.-F. Raynaud, T. Fusco, and G. Rousset, "Kalman Filter based control loop for Adaptive Optics," in Advancements in Adaptive Optics, D. Bonaccini Calia, B. L. Ellerbroek and R. Ragazzoni eds., Proc. SPIE 5490,1414-1425,(2004).

G. Rousset, F. Lacombe, P. Puget, N. Hubin, E. Gendron, T. Fusco, R. Arsenault, J. Charton, P. Gigan, P. Kern, A.-M. Lagrange, P.-Y. Madec, D. Mouillet, D. Rabaud, P. Rabou, E. Stadler and G. Zins, "NAOS, the first AO system of the VLT: on sky performance," in Adaptive Optical System Technology II, Bellingham, Proc. SPIE 4839, 140-149, (2002).

Y. Cl’enet, M.E. Kasper, N. Ageorges, C. Lidman, T. Fusco, O. Marco, M. Hartung, D. Mouillet, B. Koehler, G. Rousset and N. Hubin, "NACO performance: status after 2 years of operation," in Advancements in Adaptive Optics, D. Bonaccini Calia, B. L. Ellerbroek and R. Ragazzoni eds., Proc. SPIE 5490, 107-117, (2004).

J. A. Stoesz, J.-P. V’eran, F. Rigaut, G. Herriot, L. Jolissaint and D. Frenette, "Evaluation of the on-sky performance of Altair," in Advancements in Adaptive Optics, D. Bonaccini Calia, B. L. Ellerbroek and R. Ragazzoni eds., Proc. SPIE 5490, 67-78, (2004).

Proceedings of the IEE (1)

C. Mohtadi., "Bode’s integral theorem for discrete-time systems," Proceedings of the IEE 137, 57-66, (1990).

Other (6)

T. Fusco, C. Petit, G. Rousset, J.-F. Sauvage, J.-M. Conan, A. Blanc and J.-L. Beuzit, "Optimization of the pre-compensation of non-common path aberrations for adaptive optics systems," in Adaptive Optics: Analysis and Methods/Computational Optical Sensing and Imaging/Information Photonics/Signal Recovery and Synthesis Topical Meetings on CD ROM, OSA electronic proceedings Technical Digest AWB 2, Optical Society of America, Charlotte, (2005).

C. Dessenne, "Commande modale et pr’edictive en optique adaptative," Ph. D. thesis, Univ. Paris VII, (1998)

C. Petit, "Etude de la commande optimale en Optique Adaptative et Optique Adaptative MultiConjugu’ee, validation num’erique et exp’erimentale," Ph. D. thesis, Univ. Paris XIII, (2006).

D. M. Wiberg, C. E. Max, and D. T. Gavel. "A special non-dynamic LQG controller: part I, application to adaptive optics," Proceedings of the 43th IEEE Conference on Decision and Control, 3:3333-3338, (2004).

C. Petit, J.-M. Conan, C. Kulcs’ar, H.-F. Raynaud, T. Fusco, J. Montri and D. Rabaud,"Optimal Control for Multi-conjugate Adaptive Optics," Comptes Rendus de l’Acad’emie des Science Physique 6, 1059-1069, (2005) (http://www.sciencedirect.com/science/journal/16310705).

F. Cottet, Traitement des signaux et acquisition de donn’ees (Dunod,2002).

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