Title :
Pump Beams Homogenization for Terawatt / Petawatt Class Ti:Sapphire Amplifiers
Author :
Canova, F. ; Chambaret, J.-P. ; Reversat, F. ; Tisserand, S. ; Pie, F. ; Pittman, M.
Author_Institution :
Ecole Polytech., Palaiseau
Abstract :
Our goal is to 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 :
laser beams; optical pumping; sapphire; solid lasers; titanium; Al2O3:Ti; amplifying material damage threshold; beam transport technique; pump beams homogenization; pump lasers coherence properties; reliable pumping configurations; terawatt-petawatt-class power amplifier design; Fiber lasers; Laser beams; Laser excitation; Optical amplifiers; Optical design; Optical fibers; Power lasers; Pump lasers; Semiconductor optical amplifiers; Smoothing methods;
Conference_Titel :
Lasers and Electro-Optics, 2007. CLEO 2007. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/CLEO.2007.4453298