13 November 2017 MELBA: a fully customizable laser for damage experiments
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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
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Matthieu Veinhard, Matthieu Veinhard, Odile Bonville, Odile Bonville, Roger Courchinoux, Roger Courchinoux, Romain Parreault, Romain Parreault, Jean-Yves Natoli, Jean-Yves Natoli, Laurent Lamaignère, Laurent Lamaignère, } "MELBA: a fully customizable laser for damage experiments", Proc. SPIE 10447, Laser-Induced Damage in Optical Materials 2017, 104471U (13 November 2017); doi: 10.1117/12.2281125; https://doi.org/10.1117/12.2281125
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