We report on the generation of essentially transform-limited mid-infrared pulses as short as 75 fs centered at 5μm with 6μJ of energy. Infrared materials with group-velocity dispersion values of opposite sign are used in combination to null second-order dispersion and compress the mid-infrared pulses.
© 2002 Optical Society of America
(160.4670) Materials : Optical materials
(190.2620) Nonlinear optics : Harmonic generation and mixing
(260.3060) Physical optics : Infrared
(320.2250) Ultrafast optics : Femtosecond phenomena
(320.5520) Ultrafast optics : Pulse compression
N. Demirdöven, M. Khalil, O. Golonzka, and A. Tokmakoff, "Dispersion compensation with optical materials for compression of intense sub-100-fs mid-infrared pulses," Opt. Lett. 27, 433-435 (2002)