High-Gain Nanosecond Vortex Laser

被引：0
|
作者：
Hongyan Xu
Zhenjiang Song
Xiujun Huang
Dele Shi
Liang Liu
Kaiming Wang
机构：
[1] Shandong Institute of Space Electronic Technology,
[2] National University of Defense Technology,undefined
[3] Naval Aeronautical and Astronautical University,undefined
来源：
Journal of Russian Laser Research | 2018年 / 39卷
关键词：
optical vortex; laser amplifier; Nd:YAG laser;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We demonstrate a high-gain vortex power amplifier with the double-pass configuration based on the rod Nd:YAG crystal. In the experiments, a nanosecond vortex seed beam is converted from a conventional Q-switched Nd:YAG laser output with a spiral phase plate and then amplified with the Nd:YAG amplifier stage. A maximum amplification output energy up to 163.5 mJ is achieved at 20 Hz with a 3.2-ns pulse, corresponding to an amplification factor of 81.8. Further discussions are provided to find ways of increasing the power scaling.
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页码：275 / 279
页数：4
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