紫外预电离放电引发的非链式脉冲DF激光器

阮鹏; 谢冀江; 张来明; 潘其坤; 杨贵龙; 郭劲; 李世明; 高飞; 谭改娟

doi:10.3788/fgxb20133404.0450

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紫外预电离放电引发的非链式脉冲DF激光器

器件制备及器件物理 | 更新时间：2020-08-12

- 紫外预电离放电引发的非链式脉冲DF激光器
- UV-preionized Electric-discharge Non-chain Pulsed DF Laser
- 发光学报 2013年34卷第4期页码：450-455
- 作者机构：
  
  1. 中国科学院大学, 北京 100049
  2. 中国科学院长春光学精密机械与物理研究所激光与物质相互作用国家重点实验室, 吉林长春 130033
- 作者简介：
- 基金信息：
  
  国家科技部国际合作专项(2011DFR10320)();中科院创新基金(CXJJ-11-Q80)资助项目()
- DOI：10.3788/fgxb20133404.0450
  中图分类号： TN248.5
- 收稿日期：2013-01-05，
  
  修回日期：2013-02-21，
  
  纸质出版日期：2013-04-10
- 稿件说明：
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阮鹏, 谢冀江, 张来明, 潘其坤, 杨贵龙, 郭劲, 李世明, 高飞, 谭改娟. 紫外预电离放电引发的非链式脉冲DF激光器[J]. 发光学报, 2013,34(4): 450-455

RUAN Peng, XIE Ji-jiang, ZHANG Lai-ming, PAN Qi-kun, YANG Gui-long, GUO Jin, LI Shi-ming, GAO Fei, TAN Gai-juan. UV-preionized Electric-discharge Non-chain Pulsed DF Laser[J]. Chinese Journal of Luminescence, 2013,34(4): 450-455
阮鹏, 谢冀江, 张来明, 潘其坤, 杨贵龙, 郭劲, 李世明, 高飞, 谭改娟. 紫外预电离放电引发的非链式脉冲DF激光器[J]. 发光学报, 2013,34(4): 450-455 DOI： 10.3788/fgxb20133404.0450.

RUAN Peng, XIE Ji-jiang, ZHANG Lai-ming, PAN Qi-kun, YANG Gui-long, GUO Jin, LI Shi-ming, GAO Fei, TAN Gai-juan. UV-preionized Electric-discharge Non-chain Pulsed DF Laser[J]. Chinese Journal of Luminescence, 2013,34(4): 450-455 DOI： 10.3788/fgxb20133404.0450.

摘要

采用紫外预电离的横向放电方式和稳定光学谐振腔

使用无毒无腐蚀性的六氟化硫(SF

)和氘气(D

)作为工作物质

研究了工作气体配比、总气压对放电引发非链式脉冲氟化氘(DF)激光器输出能量的影响。实验发现SF

与D

的最佳比例为10:1

最佳总气压为10.5 kPa。使用DF激光谱线分析仪对激光输出谱线进行了测量

得到了17条P支跃迁谱线

激光能量集中在3.876 m附近的几条谱线。利用烧蚀光斑的方法测得输出激光束水平方向、垂直方向的发散角均为1 mrad。在最佳工作条件下

充电电压为39 kV时

激光单脉冲输出能量达到最大值3.58 J

此时激光脉冲宽度为215 ns

峰值功率为16.65 MW

电光转换效率为2.08%。

Abstract

Using non-toxic and non-corrosive sulfur hexafluoride (SF

) and D

as working gas

the influence of the ratio and total pressure of the mixture gas on the performance of non-chain pulsed DF laser with a stable optical resonator is investigated. The research is based on UV-preionized transverse discharge method. The results show that the optimum ratio and total pressure of the SF

-D

mixture gas

are 10:1 and 10.5 kPa

respectively. By using the DF laser spectrum analyzer to measure the output spectrum of DF laser

17 P-branch transition lines are attained

which the laser energy concentrates in several lines near the 3.876 m line. The laser beam divergence angles in both horizontal and vertical directions are 1 mrad

which is obtained by using the laser ablation method. The maximum single pulse energy of 3.58 J

pulse duration of 215 ns

peak power of 16.65 MW

and electro-optical conversion efficiency of 2.08% are achieved under the best working conditions when the charging voltage is 39 kV.

关键词

Keywords

references

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