"Generation of sub-20 fs tunable visible pulses from a 100 kHz NOPA for measuring ultrafast heterogeneous electron transfer"R. Ernstorfer, L. Gundlach, C. Zimmermann, F. Willig, R. Eichberger, and E. Riedle
Ultrafast Optics IV: Selected Contributions to the 4th International Conference on Ultrafast Optics, F. Krausz, G. Korn, P. Corkum, and I. A. Walmsley, eds., Springer Series in Optical Sciences, vol. 95, 393 - 398 (2004)
We describe the design and performance of a noncollinear optical parametric amplifier that can be pumped by the output of a commercial 100 kHz Ti:sapphire regenerative amplifier. The output of the NOPA is compressed to sub-20 fs length and tunable from 460 nm to beyond µm. The maximum pulse energy is 750 nJ. The system is used to measure photoinduced electron transfer in a perylene/TiO2 system with unprecedented temporal resolution.
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