Abstract

We demonstrate the generation of femtosecond mid-infrared pulses by direct difference-frequency mixing in a AgGaS2 crystal of two intense pulses from a dual-wavelength oscillator that have been simultaneously amplified in a single regenerative amplifier. A pulse energy of as much as 1.6 µJ was achieved at wavelengths of 911 µm.

© 2002 Optical Society of America

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