A multipass optical parametric amplifier is pumped by a 250-kHz microjoule-level Ti:sapphire regenerative amplifier system. Tuning each pass of the amplifier to provide gain for slightly different spectral regions of a white-light continuum source produces broadband pulses that may be compressed to less than 30 fs.
© 1996 Optical Society of America
Original Manuscript: August 23, 1995
Published: January 15, 1996
Thomas S. Sosnowski, Paul B. Stephens, and Theodore B. Norris, "Production of 30-fs pulses tunable throughout the visible spectral region by a new technique in optical parametric amplification," Opt. Lett. 21, 140-142 (1996)