Multi-longitudinal-mode oscillation of self-Q-switched Cr,Yb : YAG laser with a plano-concave resonator

作者：Dong J^*; Li JL; Huang SH; Shirakawa A; Ueda K

来源：Optics Communications, 2005, 256(1-3): 158-165.

DOI：10.1016/j.optcom.2005.06.050

• laser-diode-pumped-laser
• self-Q-switch
• Cr,Yb : YAG
• non-linear mode coupling

Stable longitudinal multi-mode chromium and ytterbium co-doped Cr,Yb:YAG self-Q-switched laser formed by a plano-concave resonator has been demonstrated at room temperature without cooling system. An average output power of as much as 70 mW at 1.03 mu n with a pulse width (FWHM) as short as 12.3 ns was obtained with 5% transmission output coupler. High beam quality (M-2<2.4) output with transverse gaussian profile was obtained. The non-linear mode coupling effects of this longitudinal multi-mode laser was investigated and stable pulse sequence was attributed to the non-linear mode coupling effects between main mode oscillation and the side-mode oscillation.

• 出版日期2005-12-1