title: 0.1 Hz 1.0 PW Ti:sapphire laser.
abstract: We report on the generation of 1.0 PW, 30 fs laser pulses at a 0.1 Hz repetition rate from a chirped-pulse amplification Ti:sapphire laser system. The energy of the laser pulses is amplified up to 47 J in a final three-pass booster amplifier having 96 J pump energy. To the best of our knowledge, this is the first petawatt Ti:sapphire laser system at a 0.1 Hz 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.
authors.affiliation: Center for Femto-Atto Science and Technology & Advanced Photonics Research Institute (APRI), GIST, Gwangju 500-712, South Korea.
authors.forename: Jae Hee
authors.initials: JH
authors.lastname: Sung
authors.forename: Seong Ku
authors.initials: SK
authors.lastname: Lee
authors.forename: Tae Jun
authors.initials: TJ
authors.lastname: Yu
authors.forename: Tae Moon
authors.initials: TM
authors.lastname: Jeong
authors.forename: Jongmin
authors.initials: J
authors.lastname: Lee