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Proceedings Paper

MELBA: a fully customizable laser for damage experiments
Author(s): Matthieu Veinhard; Odile Bonville; Roger Courchinoux; Romain Parreault; Jean-Yves Natoli; Laurent Lamaignère
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Paper Abstract

A millimetric aperture Nd:glass laser system has been designed and constructed at the CEA-CESTA. Its aim is to best mimic the laser conditions that can be found in inertial confinement fusion facilities. It is therefore used to study the main phenomena that prevents these lasers to work at their maximum power: the laser induced damage of the optical components. The combination of temporal and spatial modulators provides, every minute, a 6 J, 7 mm, 351 nm homogeneous beam at the fused silica sample location. This proceeding illustrates the capacity of the facility over two experiments: the study of damage initiation and the growth of laser damage sites on fused silica, up to millimetric scales

Paper Details

Date Published: 13 November 2017
PDF: 7 pages
Proc. SPIE 10447, Laser-Induced Damage in Optical Materials 2017, 104471U (13 November 2017); doi: 10.1117/12.2281125
Show Author Affiliations
Matthieu Veinhard, Commissariat à l'Énergie Atomique (France)
Odile Bonville, Commissariat à l'Énergie Atomique (France)
Roger Courchinoux, Commissariat à l'Énergie Atomique (France)
Romain Parreault, Commissariat à l'Énergie Atomique (France)
Jean-Yves Natoli, Aix Marseille Univ., Institut Fresnel, CNRS (France)
Laurent Lamaignère, Commissariat à l'Énergie Atomique (France)

Published in SPIE Proceedings Vol. 10447:
Laser-Induced Damage in Optical Materials 2017
Gregory J. Exarhos; Vitaly E. Gruzdev; Joseph A. Menapace; Detlev Ristau; MJ Soileau, Editor(s)

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