Abstract

Ultrabroadband mid-IR continuum pulses can be detected on a single-shot basis using chirped-pulse upconversion. Converting the mid-IR pulse to the visible reduces the fractional bandwidth and enables use of a silicon CCD camera. Removing the cross-phase modulation of the chirped pulse results in $1{\mathrm{cm}}^{-1}$ resolution over a $600{\mathrm{cm}}^{-1}$ detected bandwidth.

© 2011 Optical Society of America

Two-dimensional infrared spectroscopy detected by chirped pulse upconversion

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