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 Zhiyi1, 2, †,
       

Power stability of the KLM oscillator over a period of 4 h. Inset: beam profile at 15 W.