Supported by National Natural Science Foundation of China under Grant Nos 60490281 and 60621063, and the National Basic Research Programme of China under Grant No 2007CB815104.
We report a highly efficient and high power self-starting femtosecond Cr:forsterite laser pumped by a 1064-nm Yb doped fibre laser. Five chirped mirrors are used to compensate for the intra-cavity group-delay dispers...