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Efficient aberrations pre-compensation and wavefront correction with a deformable mirror in the middle of a petawatt-class CPA laser system

  • F. Canova (a1), A. Flacco (a1), L. Canova (a1), R. Clady (a1), J.-P. Chambaret (a1), F. PlÉ (a2), M. Pittman (a2), T.A. Planchon (a3), M. Silva (a4), R. Benocci (a4), G. Lucchini (a4), D. Batani (a4), E. Lavergne (a5), G. Dovillaire (a5) and X. Levecq (a5)...


In this paper, we describe the experimental validation of the technique of correction of wavefront aberration in the middle of the laser amplifying chain. This technique allows the correction of the aberrations from the first part of the laser system, and the pre-compensation of the aberrations built in the second part. This approach will allow an effective aberration management in the laser chain, to protect the optical surfaces and optimize performances, and is the only possible approach for multi-petawatt laser system from the technical and economical point of view. This approach is now possible after the introduction of new deformable mirrors with lower static aberrations and higher dynamic than the standard devices.


Corresponding author

Address correspondence and reprint requests to: Federico Canova, Laboratoire d'Optique Appliquée, ENSTA-Ecole Polytechnique-CNRSUMR 7639, Chemin de la Hunière, 91761 Palaiseau CEDEX, France. E-mail:


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Efficient aberrations pre-compensation and wavefront correction with a deformable mirror in the middle of a petawatt-class CPA laser system

  • F. Canova (a1), A. Flacco (a1), L. Canova (a1), R. Clady (a1), J.-P. Chambaret (a1), F. PlÉ (a2), M. Pittman (a2), T.A. Planchon (a3), M. Silva (a4), R. Benocci (a4), G. Lucchini (a4), D. Batani (a4), E. Lavergne (a5), G. Dovillaire (a5) and X. Levecq (a5)...


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