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Opt Lett. 2007 Feb 1;32(3):238-40.

Design and demonstration of a high-energy booster amplifier for a high-repetition rate petawatt class laser system.

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CNRS, LIXAM, UMR 8624, Université Paris-Sud, Orsay, France 91405, and Amplitude Technologies, CE2926, 91029 Evry cedex, France.


We have successfully developed a high-energy, high-repetition rate Ti:sapphire laser system that delivers 33 J before compression at 0.1 Hz. The final booster amplifier is based on a 100 mm diameter Ti:sapphire crystal pumped with 72 J of energy in six beams delivered by three frequency-doubled high-repetition rate Nd:glass lasers. This system is, to the best of our knowledge, the first demonstrated petawatt class laser system running at a high repetition rate.

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