激光技术, 2008, 32 (2): 0119, 网络出版: 2010-06-03   

非链式脉冲HF/DF激光的新型引发技术

A new discharge type for non-chain pulsed HF/DF laser
作者单位
中国科学院 电子学研究所,北京 100080
摘要
为了发展一种引发脉冲HF/DF激光器的新型放电技术。采用均匀粗糙表面的阴极在注入能量密度高达200J/L时仍可在激光介质中获得均匀稳定的体放电。优点是无需任何预电离,且对电极面型无特殊要求。针-盘电极实验表明,在非链式脉冲HF/DF激光介质中单通道放电表现为扩散均匀的辉光放电,板-板电极的体放电从粗糙阴极开始,阴极表面产生许多明亮的圆形亮点,每一个亮点随后形成一条向阳极扩散的通道,这些扩散的通道相互重叠形成了空间均匀的体放电。初步实验结果表明,采用这种技术可以实现高能、高重复频率的脉冲HF/DF激光输出。
Abstract
A new approach has been brought forward to obtain glow discharge in non-chain HF/DF laser. It has been shown a volume discharge is forming in non-uniform electric-field without preionization in SF6and C2H6 mixtures,the energy deposition up to 200J/L. The discharge in the pin-plane gap is a diffuse jet expanding towards the anode with a bright plasma domain at the cathode. The discharge in the plane-plane gap is presented with many diffuse channels attached to bright circular cathode spots that diverge towards the anode,with the channels overlapping,form a spatially uniform glow discharge. The experimental results indicate that the new discharge type in SF6and C2H6 mixtures is promising for creation of high energy and high frequency HF/DF laser.
参考文献

[1] DEUTSH T F. Molecular laser action in hydrogen and deuterium halides [J].A P L,1967,10(8):234-236.

[2] KE Ch J,WAN Ch Y,ZHOU J W,et al. High peak power pulsed HF laser [J].Laser Technology,2004,28(5):480-483(in Chinese).

[3] KALISKY Y,WAICHMAN K,KAMIN S,et al. Plasma cathode preionized atmospheric pressure HF chemical laser [J].Opt Commun,1997,137:59-63.

[4] BAKSHT E H,PANCHENKO A N,TARASENKO V F. Discharge lasers pumped by generators with inductive energy storage [J].IEEE J Q E,1999,QE35(3):261-266.

[5] AKSENOV Y N,BORISOV V P,BURTSEV V V.A400W repetitively pulsed DF laser [J].Quantum Electron,2001,31(4):290-292 .

[6] BRUNET H,MABBU M,VOIGNIER F. High energy-high average power pulsed HF/DF chemical laser [J].Proc SPIE,1995,2502:388-392.

[7] APOLLONOV V V,FIRSOV K N,KAZANTESEV S Y. Scaling up of nonchain HF(DF)laser initiated by self-sustained volume discharge [J].Proc SPIE,2000,3886:370-381.

[8] TARASENKO V F,ALEKSEEV S D,GUBANOV V P,et al. Volume nanosecond high pressure discharge formed in a nonuniform electric field [J].Proc SPIE,2005,5777:531-534.

[9] OSIPOV V V. Self-sustain volume discharge [J].Physics-Uspekhi,2000,43(2):221-240.

柯常军, 谭荣清, 吴谨, 万重怡. 非链式脉冲HF/DF激光的新型引发技术[J]. 激光技术, 2008, 32(2): 0119. KE Chang-jun, TAN Rong-qing, WU Jin, WAN Chong-yi. A new discharge type for non-chain pulsed HF/DF laser[J]. Laser Technology, 2008, 32(2): 0119.

本文已被 8 篇论文引用
被引统计数据来源于中国光学期刊网
引用该论文: TXT   |   EndNote

相关论文

加载中...

关于本站 Cookie 的使用提示

中国光学期刊网使用基于 cookie 的技术来更好地为您提供各项服务,点击此处了解我们的隐私策略。 如您需继续使用本网站,请您授权我们使用本地 cookie 来保存部分信息。
全站搜索
您最值得信赖的光电行业旗舰网络服务平台!