title: Generation of subterawatt sub-10-fs blue pulses at 1-5 kHz by broadband frequency doubling.
abstract: Blue pulses with durations of 8.5 fs are generated by broadband frequency doubling of subterawatt Ti:sapphire laser systems at 1-5-kHz repetition rates. The average powers are 1.6 W at 5 kHz and 1.9 W at 1 kHz. The peak power is 0.16 TW with a duration of 12 fs at 1 kHz.
authors.affiliation: Institute for Solid State Physics, University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa-shi, Chiba 277-8581, Japan. kanai@issp.u-tokyo.ac.jp
authors.forename: Teruto
authors.initials: T
authors.lastname: Kanai
authors.forename: Xiangyu
authors.initials: X
authors.lastname: Zhou
authors.forename: Taro
authors.initials: T
authors.lastname: Sekikawa
authors.forename: Shuntaro
authors.initials: S
authors.lastname: Watanabe
authors.forename: Tadashi
authors.initials: T
authors.lastname: Togashi