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, †,
       

(a) Experiment results and (b) spectra of the KLM operation with different Brewster plates (1 mm, 2 mm, and 3 mm).