Abstract

We report on the generation of 1.0PW, 30fs laser pulses at a 0.1Hz repetition rate from a chirped-pulse amplification Ti:sapphire laser system. The energy of the laser pulses is amplified up to 47J in a final three-pass booster amplifier having 96J pump energy. To the best of our knowledge, this is the first petawatt Ti:sapphire laser system at a 0.1Hz repetition rate. The shot-to-shot energy fluctuation of the laser pulses is as low as 0.53% in rms value, and the laser pulses have homogeneous flattop spatial beam profiles.

© 2010 Optical Society of America

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