A 60 W Tm:YLF Laser with Triple Tm:YLF Rods

作     者：朱国利 

作者机构：The 27th Research Institute of China Electronics Technology Group Corporation 

出 版 物：《Chinese Physics Letters》 (中国物理快报（英文版）)

年 卷 期：2015年第32卷第9期

页      面：66-69页

核心收录：

学科分类：08[工学] 0805[工学-材料科学与工程（可授工学、理学学位）] 0803[工学-光学工程] 0704[理学-天文学] 

主　　题：Tm A 60 W Tm:YLF Laser with Triple Tm:YLF Rods 

摘      要：A narrow linewidth stable high-power continuous-wave 3.5% Tin3＋ doped LiYF4 （Tm：YLF） laser is reported. By using dual F P etalons and three Tm：YLF rods in a cavity, laser output of ~60 W at 1907.7nm is obtained with a slope efficiency of 34.8%. The M2 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.