Abstract
We describe a second-harmonic-generation frequency-resolved optical gating measurement device optimized for the characterization of few-cycle pulses in the mid-IR spectral range. The system has a temporal range of with resolution of , and it is capable of measuring pulses as short as at . Through interchangeable beam splitters and detectors it covers a wavelength range from with up to resolution. We demonstrate measurement of a richly featured pulse with duration, recovering the main pulse of , as well as low-intensity post-pulses with picosecond offset. We also characterize a pulse after dispersion through a sapphire plate, comparing the measured phase difference with the calculated one.
© 2010 Optical Society of America
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