50-W, >2-μJ SESAM-modelocked Ho:YAG thin-disk oscillator at 2.1 μm Sergei Tomilov, Yicheng Wang, Martin Hoffmann, Jonas Heidrich, Matthias Golling, Ursula Keller and Clara J. Saraceno EPJ Web Conf., 267 (2022) 01042 Published online: 18 October 2022 DOI: 10.1051/epjconf/202226701042