High Average Power Nonlinear Pulse Compression in a Gas-filled Multi-pass Cell at 2 μm Wavelength P. Gierschke, C. Grebing, M. Abdelaa, M. Lenski, J. Buldt, Z. Wang, T. Heuermann, M. Müller, M. Gebhardt, J. Rothhardt and J. Limpert EPJ Web Conf., 267 (2022) 01058 Published online: 18 October 2022 DOI: 10.1051/epjconf/202226701058