Abstract

Ultrashort mid-infrared pulses at a repetition rate of 82 MHz have been generated by difference-frequency mixing at the output of a single-cavity, two-color femtosecond Ti:sapphire laser. The center wavelengths of the mid-infrared pulses are tunable from 7.5 to 12.5 μm. Their pulse durations range from 450 to 650 fs, as a function of the center wavelength.

© 1995 Optical Society of America

High-repetition-rate femtosecond mid-infrared pulses generated by nonlinear optical modulation of continuous-wave QCLs and ICLs

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