【摘 要】
：
A narrow linewidth stable high-power continuous-wave 3.5%Tm~(3+) doped LiYF_4(Tm:YLF) laser is reported.By using dual F-P etalons and three Tm:YLF rods in a cav
【机 构】
：
The 27th Research Institute of China Electronics Technology Group Corporation,
【出 处】
：
Chinese Physics Letters
论文部分内容阅读
A narrow linewidth stable high-power continuous-wave 3.5%Tm~(3+) doped LiYF_4(Tm:YLF) laser is reported.By using dual F-P etalons and three Tm:YLF rods in a cavity,laser output of ~60W at 1907.7nm is obtained with a slope efficiency of 34.8%.The M~2 factor is found to be~2.0 under an output power of 30 W.In addition,the relaxation oscillation and efficiency of the Tm:YLF laser are also studied.The relaxation oscillation of the Tm:YLF laser is improved obviously by setting the ratio of pump beam to oscillating laser beam as ~1.5:1 and the efficiency is increased in comparison with the ratio of ~1.3:1.
A narrow linewidth stable high-power continuous-wave 3.5% Tm ~ (3+) doped LiYF_4 (Tm: YLF) laser is reported.By using dual FP etalons and three Tm: YLF rods in a cavity, laser output of ~ 60W at 1907.7 nm is obtained with a slope efficiency of 34.8%. M ~ 2 factor is found to be ~ 2.0 under an output power of 30 W. In addition, the relaxation oscillation and efficiency of the Tm: YLF laser are also studied. relaxation oscillation of the Tm: YLF laser is improved obviously by setting the ratio of pump beam to oscillating laser beam as ~ 1.5: 1 and the efficiency is increased in comparison with the ratio of ~ 1.3: 1.
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