Generation of 15W femtosecond laser pulse from a Kerr-lens mode-locked Yb:YAG thin-disk oscillator

Peng Yingnan¹, Zhang Jinwei², Wang Zhaohua², Zhu Jiangfeng¹, Li Dehua², Wei Zhiyi^{1, 2, †,}

RF spectra (a) at the fundamental beat note and (b) 1 GHz wide-span range of the 15 W, 272 fs Yb:YAG thin disk laser.