170-fs, 0.8-μJ optical pulses at 193 nm generated by frequency quadrupling of high-power Ti:sapphire laser pulses are amplified in an ArF gain module. Double-pass amplification at a 400-Hz repetition rate resulted in 290-mW average power with pulse durations of ~ 300 fs.
© 1994 Optical Society of America
Original Manuscript: April 11, 1994
Published: October 15, 1994
J. Ringling, U. Stamm, J. Kleinschmidt, O. Kittelmann, F. Noack, and F. Voss, "High-repetition-rate high-power femtosecond ArF laser source," Opt. Lett. 19, 1639-1641 (1994)