A dual-loss-modulated Q-switched and mode-locked Nd:GdVO4 laser with AOM and V3+:YAG saturable absorber at 1.34 mu m

作者：Zhang, Gang; Zhao, Shengzhi^*; Li, Yufei; Li, Guiqiu; Li, Dechun; Yang, Kejian; Cheng, Kang

来源：Journal of Optics, 2011, 13(3): 035202.

DOI：10.1088/2040-8978/13/3/035202

• dual-loss-modulation
• Q-switched and mode-locked
• rate equation
• numerical

Stable and robust pulses can be generated in a diode-pumped Q-switched and mode-locked (QML) c-cut Nd:GdVO4/V3+:YAG laser at 1.34 mu m by inserting an acousto-optic modulator (AOM) into the laser cavity. In this kind of dual-loss-modulation QML laser, the pulse width of the Q-switched pulse envelope has a compression of 68% and the pulse energy has an improvement of seven times compared with that in the solely passively QML laser with V3+:YAG. By considering the influence of the turnoff time and the modulation frequency of the AOM as well as the thermal lens effect, a developed rate equation model for dual-loss-modulation QML lasers is given and the numerical solutions of the rate equations are in good agreement with the experimental results.

• 出版日期2011-3
• 单位山东大学