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Proceedings Paper

High focusability performance obtained on the LULI 100TW laser facility by use of a dielectric coated deformable mirror
Author(s): Jiping Zou; Benoit Wattellier; Julien Fuchs; K. Abdeli; Jean-Christophe Chanteloup; C. Haefner
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Paper Abstract

We demonstrate the wave-front correction of the LULI 100TW, 300 fs/30 J high power laser facility for a sequence of shots. Excellent beam focusability close to diffraction limit has been obtained using an adaptive optic system, composed of a large aperture dielectric coated deformable mirror and a home-made shearing interferometer. This correction allows to produce reproducible focal spots with Strehl ratios close to 0.9 at a repetition rate of a shot every 20 minutes, despite of wave front distortions generated by cumulative thermal effects in the large disc amplifiers.

Paper Details

Date Published: 1 June 2004
PDF: 8 pages
Proc. SPIE 5333, Laser Resonators and Beam Control VII, (1 June 2004); doi: 10.1117/12.538451
Show Author Affiliations
Jiping Zou, LULI, CNRS-Ecole Polytechnique-CEA-Univ. Paris VI (France)
Benoit Wattellier, Ecole Polytechnique (France)
Julien Fuchs, Univ. of Nevada (United States)
K. Abdeli, LULI, CNRS-Ecole Polytechnique-CEA-Univ. Paris VI (France)
Jean-Christophe Chanteloup, LULI, CNRS-Ecole Polytechnique-CEA-Univ. Paris VI (France)
C. Haefner, GSI Darmstadt (Germany)

Published in SPIE Proceedings Vol. 5333:
Laser Resonators and Beam Control VII
Alexis V. Kudryashov, Editor(s)

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