Ultrafast thin-disk laser oscillators as driving sources for high harmonic generation Jakub Drs, Michael Müller, Firas Trawi, Norbert Modsching, Valentin J. Wittwer and Thomas Südmeyer EPJ Web Conf., 287 (2023) 08007 Published online: 18 October 2023 DOI: 10.1051/epjconf/202328708007