电激励重复频率非链式HF激光器

易爱平; 刘晶儒; 唐影; 黄珂; 黄欣; 于力; 马连英

doi:10.3788/OPE.20111902.0360

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电激励重复频率非链式HF激光器

现代应用光学 | 更新时间：2020-08-12

- 电激励重复频率非链式HF激光器
- Electrically initiated repetitive-pulsed non-chain HF lasers
- 光学精密工程 2011年19卷第2期页码：360-366
- 作者机构：
  
  西北核技术研究所激光与物质相互作用国家重点实验室,陕西西安,710024
- 作者简介：
- 基金信息：
  
  激光与物质相互作用国家重点实验室基金资助项目(No.SKL110902)()
- DOI：10.3788/OPE.20111902.0360
  中图分类号： TN248.5
- 收稿日期：2010-10-08，
  
  修回日期：2010-10-30，
  
  网络出版日期：2011-02-22，
  
  纸质出版日期：2011-02-22
- 稿件说明：
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易爱平, 刘晶儒, 唐影, 黄珂, 黄欣, 于力, 马连英. 电激励重复频率非链式HF激光器[J]. 光学精密工程, 2011,19(2): 360-366

YI Ai-ping, LIU Jing-ru, TANG Ying, HUANG Ke, HUANG Xin, YU Li, MA Lian-ying. Electrically initiated repetitive-pulsed non-chain HF lasers[J]. Editorial Office of Optics and Precision Engineering, 2011,19(2): 360-366
易爱平, 刘晶儒, 唐影, 黄珂, 黄欣, 于力, 马连英. 电激励重复频率非链式HF激光器[J]. 光学精密工程, 2011,19(2): 360-366 DOI： 10.3788/OPE.20111902.0360.

YI Ai-ping, LIU Jing-ru, TANG Ying, HUANG Ke, HUANG Xin, YU Li, MA Lian-ying. Electrically initiated repetitive-pulsed non-chain HF lasers[J]. Editorial Office of Optics and Precision Engineering, 2011,19(2): 360-366 DOI： 10.3788/OPE.20111902.0360.

摘要

采用电子束和气体放电两种激励方式开展重复频率非链式HF激光研究。基于全固态脉冲功率源SPG-200建立了重复频率HF实验装置

探索了产生重频大面积均匀电子束的技术途径

利用法拉第筒对进入激光气室的电子束的轴向均匀性进行了诊断

开展了激光器输出特性研究和重频实验调试

在C

∶SF

＝0.035

总气压为35 kPa时

激光器输出能量最大约为4.8 mJ

并实现了最高30 Hz的HF激光稳定输出。采用峰化电容及紫外自动预电离技术设计研制了放电激励重频HF激光器

研究了SF

气体放电特性和重频运行稳定性。研究发现SF

气体放电具有典型的辉光放电、电压维持和电弧放电三阶段特征。在充电电压为28 kV

总气压为12 kPa

含量为8%时

放电激励HF激光器最大脉冲能量约600 mJ

比能量输出达到8.5 J/l

激光器的电光转换效率约为2.5%。该激光器在1~50 Hz实现了重频输出

首脉冲能量

500 mJ

在10 Hz时稳定输出能量约为200 mJ。

Abstract

The repetitive-pulsed non-chain HF lasers initiated by e-beams and fast discharges were studied respectively. The e-beam initiated HF laser characterized by an all-solid-state generator was developed. A large area repetitive uniform e-beam was obtained and the Faraday cup was used to diagnose the uniformity of e-beam into the laser gas cell. The output characteristics of the laser were studied and the maximal energy of 4.8 mJ was obtained with gas mixture C

∶SF

＝0.035. The e-beam initiated HF laser could operate at the repetition rate of 30 Hz. The discharge initiated non-chain HF laser was designed by using the technologies of peaking capacitor and UV pre-ionizing. The discharge characteristics and stability of SF

gas in repetition mode were studied. The results show that the discharge includes main discharge (volume discharge) and arc discharge

between which the voltage maintains and no evident discharge is visible. The maximal output energy of 600 mJ is achieved under the condition of 28 kV charging voltage and 12 kPa gas pressure with 8% C

. Specific output energy of 8.5 J/l and laser electrical efficiency of 2.5% are obtained. In repetition mode

the laser can operate in the repetition rate from 1 Hz to 50 Hz. The first pulse energy is above 500 mJ

and the stable output energy of the laser at the repetition rate of 10 Hz is about 200 mJ.

关键词

Keywords

references

张永辉, 马乔生, 常安碧, 等. 重复频率强流电子束二极管实验研究展[J]. 强激光与粒子束,2005,16(11):1437-1440. ZHANG Y H, MA C S, CHANG A B, et al.. Study od repetition rate and intense current e-beam diodes [J]. High Power Laser and Particle Beams, 2005,16(11):1437-1440. (in Chinese)[2] HEGELER F, SETHIAN J D, MYERS M C, et al.. Electra:repetitively pulsed 700J, 100ns electron beam pumped KrF laser . Plasma Science, 2006. http://www.dtic.mil.cgi-bin.[3] HARRIS M R, MORRIS A V, GORTON E K. A closed-cycle 1 kHz pulse repetition frequency HF(DF) laser [J]. SPIE, 1998, 3268:247-251.[4] PATTERSON E L,GERBER R A, BLAIR L S. HF laser initiated by a 300 keV electron beam [J]. Appl. Phys., 1974,45(4):1822-1825.[5] TARASKEO V F, BAKSHIE H, LOMAEV M I, et al.. Efficient non-chain chemical HF laser initiated by e-beam and self-sustained discharge[J].SPIE,1998,3268:228-235.[6] LACOUR B, GAGNOL C, PRIGENT P, et al.. High average power HF/DF laser [J]. SPIE, 1998,3574:334-340.[7] BRUNET H, MABBU M, VOIGNIER F. High energy, high average power pulsed HF/DF chemical laser [J].SPIE,1995,2502:388-392.[8] APOLLONOV V V, BELEVTSEV A A, FIRSOV K N, et al.. High-power pulse and pulse-periodic nonchain HF(DF) lasers[J]. SPIE, 2002,4747:31-43.[9] RICHEBOEUF L, PASQUIERS S, DOUSSIET F, et al.. Dynamics and correlated performance of a photo-triggered discharge-pumped HF laser using SF6 with hydrogen or ethane [J]. Appl. Phys. B, 1999,68:45-53.[10] 柯常军,万重怡. 放电引发非链式脉冲HF/DF激光器的研究进展[J]. 激光与红外,2003,33(4):304-306. KE C J,WANG C Y. Status and prospect of electric-discharge non-chain pulsed HF laser[J]. Laser ＆ Infrared, 2003,33(4):304-306. (in Chinese)[11] 苏建仓,刘国治,丁臻捷,等. 基于SOS的脉冲功率源技术新进展[J]. 强激光与粒子束,2005,17(8):1195-1200. SU J C, LIU G Z, DING Y Z, et al.. Experiment and applications of SOS-based pulsed power [J]. High Power Laser and Particle Beams, 2005,17(8):1195-1200. (in Chinese)[12] LACOUR B, PASQUIERS S, POSTEL C, et al.. Importance of pre-ionization for the non-chain discharge-pumped HF laser [J]. Appl. Phys. B, 2001,72:289-299.[13] BYCHKOV Y, GORTCHAKOV S, LACOUR B, et al.. Two-step ionization in non-equilibrium SF6 discharges at high current density [J]. J. Phys. D, 2003,36:380-388.[14] 朱峰. 非链式HF激光器气体体放电和输出能量影响因素实验研究 . 西安:西北核技术研究所, 2008:19-24. ZHU F. Experimental investigation on influence factors of gas discharge and output energy of non-chain HF laser . Xian : Northwest Institute of Nuclear Technology, 2008:19-24. (in Chinese)

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