Laser-sub-cycle two-dimensional electron momentum mapping using orthogonal two-color fields

Abstract

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.

References in corpus (2)

• Quantitative rescattering theory for laser-induced high-energy plateau photoelectron spectra
• Parameterized optimized effective potential for the ground state of the atoms He through Xe

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