Direct observation of electron dynamics in the attosecond domain

@article{Fhlisch2005DirectOO,
  title={Direct observation of electron dynamics in the attosecond domain},
  author={Alexander F{\"o}hlisch and Peter Feulner and Franz Hennies and A. Fink and Dietrich Menzel and Daniel S{\'a}nchez-Portal and Pedro Miguel Echenique and Wilfried Wurth},
  journal={Nature},
  year={2005},
  volume={436},
  pages={373-376}
}
Dynamical processes are commonly investigated using laser pump–probe experiments, with a pump pulse exciting the system of interest and a second probe pulse tracking its temporal evolution as a function of the delay between the pulses. Because the time resolution attainable in such experiments depends on the temporal definition of the laser pulses, pulse compression to 200 attoseconds (1 as = 10-18 s) is a promising recent development. These ultrafast pulses have been fully characterized, and… Expand
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