Inertial Fusion Sciences and Applications 2005
J.-C. Gauthier, et al.
J. Phys. IV France 133 (2006) 713-715
DOI: 10.1051/jp4:2006133144

Nonlinear temporal pulse cleaning for high-energy petawatt-class lasers

A. Cotel¹, A. Jullien², N. Forget¹, O. Albert², C. Le Blanc¹, J. Etchepare², G. Chériaux², N. Minkovski³ and S.M. Saltiel<sup>3

1</sup>  Laboratoire pour l'Utilisation des Lasers Intenses, UMR 7605 CNRS, CEA, Université Paris VI, École Polytechnique, 91128 Palaiseau, France
²  Laboratoire d'Optique Appliquée, UMR 7639 CNRS, ENSTA, École Polytechnique, Chemin de la Hunière, 91761 Palaiseau, France
³  University of Sofia, 5. J. Bourchier Bd., 1164 Sofia, Bulgaria

Abstract
We present a new nonlinear solid-state technique for temporal femtosecond pulses cleaning. The contrast reaches 10^-10 for millijoule input pulse. Efficiency is demonstrated at 800 nm and 1 m. The method is reliable enough to solve the contrast issue for Petawatt class lasers.

© EDP Sciences 2006