二极管泵浦无机液体激光器出光实验研究
Experimental study on diode pumping inorganic liquid laser output
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摘要: 为探索新的高能激光体系，搭建了二极管泵浦的液体激光器。采用激光二极管作为泵浦光源，单侧泵浦掺钕离子的无机激光液体，进行了出光实验。通过测量输出光束的近场分布、脉冲波形和光谱，证实实现了激光输出，输出激光的波长为1 053 nm。输出的单脉冲激光能量达到47 mJ，光-光转换效率达到14%。其光-光转换效率高出闪光灯泵浦液体条件下2个数量级，说明该激光体系具有向高能激光体系发展的前景。Abstract: In order to explore new high power laser systems, a liquid laser pumped by diode was build up. In the experiment, diode laser was adopted to pump neodymium ion doped inorganic laser liquid on single side. By measuring the near field profile, pulse shapes and the spectrums of the output light, liquid laser output was proved. Laser wavelength is 1 053 nm. A laser pulse output energy value reached 47 mJ and optical to optical efficiency 14%. Its optical efficiency was much higher than that of flash lamp as pump light source, which shows that liquid lasers has the outlook to high power laser systems.
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Key words:
- liquid laser /
- diode laser /
- laser output /
- optical to optical efficiency
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