Recent progress in laser-based high-repetition rate extreme ultraviolet (EUV) lightsources and multidimensional photoelectron spectroscopy enable the build-up of a new generation of time-resolved photoemission experiments. Here, we present a setup for time-resolved momentum microscopy driven by a 1 MHz femtosecond EUV table-top light source optimized for the generation of 26.5 eV photons. The setup provides simultaneous access to the temporal evolution of the photoelectron's kinetic energy and in-plane momentum. We discuss opportunities and limitations of our new experiment based on a series of static and time-resolved measurements on graphene.
@article{arxiv.2003.01602,
title = {Time-Resolved Momentum Microscopy with a 1 MHz High-Harmonic Extreme Ultraviolet Beamline},
author = {M. Keunecke and C. Möller and D. Schmitt and H. Nolte and G. S. M. Jansen and M. Reutzel and M. Gutberlet and G. Halasi and D. Steil and S. Steil and S. Mathias},
journal= {arXiv preprint arXiv:2003.01602},
year = {2020}
}