飞秒激光等离子体单丝导电性能的空间分辨研究

郭凯敏; 高勋; 薛念亮; 赵振明; 李海军; 鲁毅; 林景全

doi:10.7498/aps.60.105203

摘要

对飞秒激光等离子体单丝的导电性能进行空间分辨研究. 在消除测量时引入的接触电阻的影响后,得到单丝电阻在280630 k/cm范围. 为了进一步研究单丝的导电性能,对单丝诱导放电能力进行了空间分辨测量. 结果显示,最低放电阈值降低至自发放电的~50%. 从每段细丝的电阻和诱导放电阈值的空间分布看出:在成丝阶段,二者的变化趋势基本一致,细丝的电阻值和放电阈值均在焦点附近出现迅速下降. 将每段细丝的电阻和放电阈值相对应,建立了细丝诱导放电阈值-电阻的线性拟合关系,证实了细丝电阻对放电阈值的影响.

关键词:

Abstract

Electric conductivity and high voltage breakdown threshold of single plasma filament generated by femtosecond laser are spatio resolved measured. The results show that the resistance of the single filament is in a range of 280630 kcm after eliminating the contact resistance, and the breakdown threshold can be reduced down to ~50% of the original value in air. Furthermore, the variations of resistance and discharge threshold follow the same trend as that for the same part filament. The relation between breakdown threshold and resistance of the single filament is established.

Keywords:

作者及机构信息

1.
长春理工大学,理学院,长春 130022;

2.
包头师范学院,物理科学与技术学院,包头 014030

基金项目: 国家自然科学基金(批准号: 11074027, 60978014)、吉林省科技厅基金(批准号: 20100521, 20100168, 20090523)、吉林省教育厅基金(批准号: [2009]40)和长春市科技局国际合作项目(批准号: 09GH01)资助的课题.

Authors and contacts

1.
School of Science, Changchun University of Science and Technology, Changchun 130022, China;

2.
School of Physical Science and Technology, Baotou Teachers College, Baotou 014030, China

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施引文献

[1]	Braun A, Korn G, Liu X, Du D, Squier J, Mourou G 1995 Opt. Lett. 20 73
[2]
[3]	Chin S L 2010 Femtosecond Laser Filamentation (London: Springer)
[4]
[5]	Kasparian J, Wolf J 2008 Opt. Express 16 466
[6]	Couairon A, Mysyrowiczb A 2007 Phys. Rep. 441 47
[7]
[8]
[9]	Lu X, Xi T T, Li Y J, Zhang J 2004 Acta Phys. Sin. 53 3404 (in Chinese)[鲁欣、奚婷婷、李英竣、张杰 2004 53 3404]
[10]
[11]	Li Y T, Zhang J, Chen L M, Zhao L Z, Xia J F, Teng H, Li Y J, Zhu C Y, Jiang W M 2001 Acta Phys. Sin. 50 204 (in Chinese)[李玉同、张杰、陈黎明、赵理曾、夏江帆、腾浩、李英骏、朱成银、江文勉 2001 50 204]
[12]	Deng Y P, Zhu J B, Ji Z G, Liu S, Shuai B, Li R X, Xu Z Z, Thberge F, Chin, S L 2006 Opt. Lett. 31 546
[13]
[14]
[15]	Hao Z, Zhang J, Zhang Z, Yuan X H, Zheng Z Y, Lu X, Jin Z, Wang Z H, Zhong J Y, Liu Y Q 2006 Phsy. Rev. E 74 66402
[16]
[17]	La Fontaine B, Vidal F, Jiang Z, Chien C, Comtois D, Desparois A, Johnston T, Kieffer J, Ppin H, Mercure H 1999 Phys. Plasmas 6 1615
[18]
[19]	Comtois D, Chien C Y, Desparois A, Gnin F, Jarry G, Johnston T W, Kieffer J C, Fontaine B L, Martin F, Mawassi R, Ppin H, Rizk F A M, Vidal F, Couture P, Mercure H P, Potvin C, Bondiou-Clergerie A 2000 Appl. Phys. Lett. 76 819
[20]	Rodriguez M, Sauerbrey R, Wille H, Wste L, Fujii T, Andr Y B, Mysyrowicz A, Klingbeil L, Rethmeier K, Kalkner W, Kasparian J, Salmon E, Yu J, Wolf J P 2002 Opt. Lett. 27 772
[21]
[22]
[23]	Kasparian J, Ackermann R, Andr Y, Mchain G, Mjean G, Prade B, Rohwetter P, Salmon E, Stelmaszczyk K, Yu J, Mysyrowicz A, Sauerbrey R, Wste L, Wolf J P 2008 Opt. Express 16 5673
[24]
[25]	Zhang Z, Lu X, Liang W X, Hao Z Q, Zhou M L, Wang Z H, Liu X, Zhang J 2009 Opt. Express 17 3461
[26]
[27]	Zhang Z, Lu X, Liang W X, Hao Z Q, Zhou M L, Wang Z H, Liu X, Zhang J 2009 Chin. Phys. B 18 1136
[28]	Houard A, D'Amico C, Liu Y, Andre Y B, Franco M, Prade B, Mysyrowicz A, Salmon E, Pierlot P, Cleon L M 2007 Appl. Phys. Lett. 90 171501
[29]
[30]
[31]	Dormidonov A E, Valuev V V, Dmitriev V L, Shlenov S A, Kandidov V P 2007 Proc. of SPIE 67331S
[32]
[33]	Tzortzakis S, Franco M A, Andr Y B, Chiron A, Lamouroux B, Prade B S, Mysyrowicz A 1999 Phys. Rev. E 60 R3505
[34]	Yang H, Zhang J, Li Y, Zhang J, Li Y T, Chen Z L, Teng H, Wei Z Y, and Sheng Z M 2002 Phys. Rev. E 66 16406
[35]
[36]	Schillinger H, Sauerbrey R Electrical 1999 Appl. Phys. B 68 753
[37]
[38]
[39]	Zhang Z, Zhang J, Li Y T 2006 Acta Phys. Sin. 55 357 (in Chinese) [张喆、张杰、李玉同 2006 55 357]
[40]	Wang X L, Zhang N, Zhao Y B, Li Z L, Zhai H C, Zhu X N 2008 Acta Phys. Sin. 57 354 (in Chinese)[王晓雷、张楠、赵友博、李智磊、翟宏琛、朱晓农 2008 57 354]
[41]
[42]
[43]	Zhao X M, Diels J C, Wang C Y, Elizondo J M 1995 IEEE J. Quantum Elect. 31 599

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