Open Access
FLASH and the FLASH2020+ project—current status and upgrades for the free-electron laser in Hamburg at DESY
Published online: 02 March 2023
DOI: 10.1140/epjp/s13360-023-03814-8
R. Abela, T. Tschentscher, J. Susini and G. García (Guest editors)
Thank you very much once again for your excellent work.