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

Jiping Zou; Julien Fuchs; Benoit F. Wattellier; Jean-Christophe Chanteloup; C. Haefner

doi:10.1117/12.517980

6 October 2003 Improvement of the LULI high-energy CPA laser system focusability and repetition rate using an adaptive optical system

Jiping Zou, Julien Fuchs, Benoit F. Wattellier, Jean-Christophe Chanteloup, C. Haefner

Author Affiliations +

Proceedings Volume 5137, International Conference on Lasers, Applications, and Technologies 2002: Advanced Lasers and Systems; (2003) https://doi.org/10.1117/12.517980
Event: International Conference on Lasers, Applications, and Technologies 2002, 2002, Moscow, Russian Federation

Abstract

We have implemented on the LULI 100 TW laser facility a closed-loop Adaptive Optics system composed of a large aperature 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.

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Jiping Zou, Julien Fuchs, Benoit F. Wattellier, Jean-Christophe Chanteloup, and C. Haefner "Improvement of the LULI high-energy CPA laser system focusability and repetition rate using an adaptive optical system", Proc. SPIE 5137, International Conference on Lasers, Applications, and Technologies 2002: Advanced Lasers and Systems, (6 October 2003); https://doi.org/10.1117/12.517980

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