Author Affiliations

Peter Kroetz,^1,2,* Gourab Chatterjee,^1,2 Axel Ruehl,³ Krishna Murari,^1,3,4 Franz X. Kärtner,^1,3,4,5 Ingmar Hartl,³ and R. J. Dwayne Miller^1,2,5,6

¹Center for Free-Electron Laser Science (CFEL), Notkestraße 85, D-22607 Hamburg, Germany

²Max-Planck Institute for the Structure and Dynamics of Matter (MPSD), Luruper Chaussee 149, 22761 Hamburg, Germany

³Deutsches Elektronen-Synchrotron (DESY), Notkestrasse 85, 22607 Hamburg, Germany

⁴Department of Physics, University of Hamburg, 22761 Hamburg, Germany

⁵Centre for Ultrafast Imaging (CUI), Universität Hamburg, Luruper Chaussee 149, 22761 Hamburg, Germany

⁶Departments of Chemistry and Physics, University of Toronto, Toronto M5S 1A7, Canada

^*Corresponding author: peter.kroetz@mpsd.mpg.de