2014/04/30 by Li Zhang, Xinhua Xie, Stefan Roither +12
Physics and Astronomy · #physics.atom-ph
paper · pdf · doi:10.1103/physreva.90.061401
published as Phys. Rev. A 90, 061401 (2014)
arxiv created 2014/12/09 · arxiv updated 2014/12/10
The two-dimensional sub-cycle-time to electron momentum mapping provided by orthogonal two-color laser fields is applied to photoelectron spectroscopy. Using neon as the example we gain experimental access to the dynamics of emitted electron wave packets in electron momenta spectra measured by coincidence momentum imaging. We demonstrate the opportunities provided by this time-to-momentum mapping by investigating the influence of the parent ion on the emitted electrons on laser-sub-cycle times. It is found that depending on their sub-cycle birth time the trajectories of photoelectrons are affected differently by the ion's Coulomb field.