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Proceedings Paper

Amplitude modulation of a kilowatt laser pulse with LiNbO3 Pockels cells: experiments and results on the Phebus facility
Author(s): Emmanuel Bar; Francois Boubal; Nathalie Boyer; Rene Bailly-Salins
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Paper Abstract

New amplitude modulators using LiNbO3 (LNO) bulk crystals have been developed at CEA/LV in order to create short temporal pulse shaping with a monomode power laser pulse before amplifying and focusing on a target. A 4 ns profile can be controlled by a growing high voltage pulse applied on electrodes pasted to the crystal. After having computed the voltage capacities and the efficiency of the Pockels effect in terms of contrast, shape quality, pulse duration and rise time, we experimented shots on Phebus facility to validate the performances of the device. This baseline of pulse shaping can be adopted in case of smoothing a broadband laser beam with an optical fiber in the LMJ facility design.

Paper Details

Date Published: 23 July 1999
PDF: 7 pages
Proc. SPIE 3492, Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion, (23 July 1999); doi: 10.1117/12.354246
Show Author Affiliations
Emmanuel Bar, Ctr. d'Etudes de Limeil-Valenton/CEA (France)
Francois Boubal, Ctr. d'Etudes de Limeil-Valenton/CEA (France)
Nathalie Boyer, Ctr. d'Etudes de Limeil-Valenton/CEA (France)
Rene Bailly-Salins, Ctr. d'Etudes de Limeil-Valenton/CEA (France)


Published in SPIE Proceedings Vol. 3492:
Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion

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