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Improvement of the LULI high-energy CPA laser system focusability and repetition rate using an adaptive optical system

  • LULI
  • Lawrence Livermore National Laboratory
  • GSI Helmholtzzentrum fur Schwerionenforschung

Résultats de recherche: Contribution à un journalArticle de conférenceRevue par des pairs

Résumé

We have implemented on the LULI 100 TW laser facility a closed-loop Adaptive Optics system composed of a large aperture dielectric coated deformable mirror and a home-made shearing interferometer. Significant results have been obtained with this system: not only the beam focusability has been improved to a Strehl ratio of 0.9 but it has also been kept at this level for a sequence full-energy shots, with a repetition rate of 20 minutes, through systematic compensation of the cumulative thermal load generated in the large disk amplifiers.

langue originaleAnglais
Pages (de - à)188-193
Nombre de pages6
journalProceedings of SPIE - The International Society for Optical Engineering
Volume5137
étatPublié - 1 déc. 2002
EvénementInternational Conference on Lasers, Applications, and Technologies 2002 Advanced Lasers and Systems - Moscow, Russie
Durée: 22 juin 200227 juin 2002

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