Generation of 12 nJ Pulse Energy by a Thulium-doped Fiber Mamyshev OscillatorB. Schuhbauer, V. Adolfs, F. Haxsen, A. Wienke, U. Morgner, J. Neumann and D. KrachtEPJ Web Conf., 267 (2022) 02019DOI: https://doi.org/10.1051/epjconf/202226702019