High gain, multi-pass, femtosecond Yb:KYW crossed-crystals amplifier pumped by high-brightness tapered laser diodesSimone Dabbene, Riccardo Gotti, Arne Heinrich, Manuel Messner, Antonio Agnesi and Federico PirzioEPJ Web Conf., 307 (2024) 04009DOI: https://doi.org/10.1051/epjconf/202430704009