We describe the generation of 350-fs pulses tunable between 2.3 and 5.5 μm by seeded optical parametric amplification. These pulses are synchronized with visible pulses for time-resolved absorption and reflectivity in semiconductors with 500-fs resolution.
© 1988 Optical Society of America
Original Manuscript: July 13, 1987
Published: February 1, 1988
T. M. Jedju and L. Rothberg, "Tunable femtosecond radiation in the mid-infrared for time-resolved absorption in semiconductors," Appl. Opt. 27, 615-618 (1988)