Title :
Pump beams homogenization for Terawatt / Petawatt class Ti:Sapphire amplifiers
Author :
Canova, Federico ; Chambaret, Jean-Paul ; Reversat, F. ; Tisserand, S. ; Plé, Fabien ; Pittman, Moana
Author_Institution :
Laboratiore d¿Optique Appliquée, ENSTA, Ecole Polytechnique, CNRS UMR 7639 Chemin de la Huniÿre, 91761 Palaiseau Cedex France
Abstract :
Our goal is to design robust configurations for Terawatt/Petawatt-class power amplifiers. We investigate the processes involved in Ti:Sa pumping: damage threshold of amplifying material, beam transport (relay-image or homogenization) and coherence properties of pump lasers.
Keywords :
Fiber lasers; Laser beams; Laser excitation; Optical amplifiers; Optical design; Optical fibers; Power lasers; Pump lasers; Semiconductor optical amplifiers; Smoothing methods;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2007. QELS '07
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/QELS.2007.4431075
