High repetition rate 1.34 μm Q-switched mode-locked Nd:YVO4 laser
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摘要: 报道了基于V:YAG可饱和吸收体的1.34 m被动调Q锁模Nd:YVO4激光器。采用直腔结构，使用透过率为10%的输出镜，在LD端面泵浦的情况下，实现了重复频率高达2.6 GHz的1.34 m调Q锁模运转。Nd:YVO4晶体中，Nd3+离子掺杂质量分数为0.2%，V:YAG晶体的初始透过率为83%。在泵浦功率为11 W时，1.34 m调Q锁模激光的最大平均输出功率为308 mW，光-光转换效率为2.8%。Abstract: A passively Q-switched mode-locked Nd:YVO4 laser based upon V:YAG saturable absorber at 1.34 m is reported. In the case of LD end-pumped, 1.34 m Q-switch mode-locked pulse operation with a repetition rate up to 2.6 GHz is realized by using linear cavity structure at output mirror with 10% transmittance. The Nd3+ concentration of the Nd:YVO4 crystal is 0.2%, and the initial transmittance of V:YAG is 83%. When the incident pump power is 11 W, the maximum average output power of the 1.34 m Q-switched mode-locked laser is 308 mW with a light-light conversion efficiency of 2.8%.
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Key words:
- laser /
- high repetition rate /
- Q-switch mode locking /
- V:YAG /
- Nd:YVO4
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