Changchun Institute of Optics,Fine Mechanics and Physics,CAS
High power electric-discharge non-Chain pulsed DF laser | |
Pan, Q.; J. Xie; C. Shao; M. Shao; C. Wang; L. Zhang and J. Guo | |
2015 | |
发表期刊 | Zhongguo Jiguang/Chinese Journal of Lasers |
卷号 | 42期号:7 |
摘要 | The studies of a repetitively pulsed deuterium fluoride (DF) laser based on electric-discharge and closed cycle are presented. Using double-pressure tank circuit and a rough cathode, the self-sustained volume discharge of 1.65 L is obtained in SF6-D2 mixtures. A centrifugal fan provides adequate gas flow to refresh mixture gas quickly. The gases pass through a scrubber cell in which ground state DF molecules are eliminated from the gas stream. The influences of gas parameters and charging voltages on the output characteristics of non-chain pulsed DF laser are investigated experimentally. At the charging voltage of 43 kV, under the optimum working condition (the working gas ratio is 8:1, the total pressure is 8.1 kPa), a maximum output energy of 3.46 J, an electro-optical conversion efficiency of 3.12% and a pulsed width of 135 ns are got. At an operating repetition rate of 50 Hz, a maximum average output power of 150 W is obtained, whose amplitude difference of laser pulses is less than 8%. The far-field divergence angles in horizontal and vertical directions are 7.92 mrad and 9.58 mrad, respectively. 22 P-branch transition lines are achieved using DF laser spectrum analyzer. The result show that the pulsed electric-discharge DF laser is an effective technology to obtain high power mid-infrared laser. , 2015, Science Press. All right reserved. |
文章类型 | 期刊论文 |
收录类别 | EI |
文献类型 | 期刊论文 |
条目标识符 | http://ir.ciomp.ac.cn/handle/181722/56376 |
专题 | 中科院长春光机所知识产出 |
推荐引用方式 GB/T 7714 | Pan, Q.,J. Xie,C. Shao,et al. High power electric-discharge non-Chain pulsed DF laser[J]. Zhongguo Jiguang/Chinese Journal of Lasers,2015,42(7). |
APA | Pan, Q.,J. Xie,C. Shao,M. Shao,C. Wang,&L. Zhang and J. Guo.(2015).High power electric-discharge non-Chain pulsed DF laser.Zhongguo Jiguang/Chinese Journal of Lasers,42(7). |
MLA | Pan, Q.,et al."High power electric-discharge non-Chain pulsed DF laser".Zhongguo Jiguang/Chinese Journal of Lasers 42.7(2015). |
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