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Experimental investigation of delayed double pulse laser produced plasma in air

Liu Ke Yi You-Min Li Liang-Bo

Experimental investigation of delayed double pulse laser produced plasma in air

Liu Ke, Yi You-Min, Li Liang-Bo
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  • By using Mach-Zehnder interferometer, we gain time series interference patterns of delayed double pulse laser and three-monopulse laser produced air plasmas. And then we gain electron density values in the centre of plasma region at different moments. We compare electron density values of the plasmas produced, respectively, by delayed double pulse laser and three-monopulse laser. The results show that the electron density of the plasma produced by the delayed double pulse laser is greater than by the three-monopulse laser at the same time after the second laser effects. The electron density time change processes of the plasma produced by delayed double pulse laser and monopulse laser of the same injection energy are analyzed theoretically. The analysis results show that when the same laser energy is injected, the delayed double pulse method can increase the plasma existing time effectively.
    • Funds: Project supported by the Scientific Research Fund of Anhui Sanlian University.
    [1]

    Chan C H, Moody C D, McKnight W B 1973 J. Appl. Phys. 44 1179

    [2]

    Williams W E, Soileau M J, Stryland E W V 1983 Appl. Phys. Lett. 43 352

    [3]

    Tambay R, Thareja R K 1991 J. Appl. Phys. 70 2890

    [4]

    Hohreiter V, Carranza J E, Hahn D W 2004 Spectrochimica Acta Part B 59 327

    [5]

    Zhang H, Lu J, Ni X 2009 J. Appl. Phys. 106 063308

    [6]

    Zhang H C, Lu J, Ni X W 2009 Acta Phys. Sin. 58 4034 (in Chinese) [张宏超, 陆建, 倪晓武 2009 物理学报 58 4034]

    [7]

    Schwarz J, Rambo P, Diels J C 2001 Appl. Phys. B 72 343

    [8]

    Thiyagarajan M, Scharer J 2008 J. Appl. Phys. 104 013303

    [9]

    Lu J, Ni X W, He A Z 1996 Physic of laser and material interaction (Beijing: JiXie GongYe Press) p87 (in Chinese) [陆建 倪晓武 贺安之 1996 激光与材料相互作用物理学 (北京: 机械工业出版社) 第87页].

    [10]

    Thiyagarajan M, Scharer J E 2008 IEEE Transactions on Plasma Science 36 2512

    [11]

    Soubacq S, Pignolet P, Schall E, Batina J 2004 J. Phys. D: Appl. Phys. 37 2686

    [12]

    Tang X S, Li C Y, Zhu G L, Ji X H, Feng E Y, Zhang W J, Cui Z F 2004 Chinese Journal of Lasers 31 687 (in Chinese) [唐晓闩, 李春燕, 朱光来, 季学韩, 凤尔银, 张为俊, 崔执凤 2004 中国激光 31 687]

    [13]

    Laux C O, Spence T G, Kruger C H, Zare R N 2003 Plasma Sources Sci. Technol. 12 125

    [14]

    Tong H F, Tang Z P 2008 Chinese Journal of High Pressure Physics 22 143 (in Chinese) [童慧峰, 唐志平 2008 高压物理学报 22 143]

  • [1]

    Chan C H, Moody C D, McKnight W B 1973 J. Appl. Phys. 44 1179

    [2]

    Williams W E, Soileau M J, Stryland E W V 1983 Appl. Phys. Lett. 43 352

    [3]

    Tambay R, Thareja R K 1991 J. Appl. Phys. 70 2890

    [4]

    Hohreiter V, Carranza J E, Hahn D W 2004 Spectrochimica Acta Part B 59 327

    [5]

    Zhang H, Lu J, Ni X 2009 J. Appl. Phys. 106 063308

    [6]

    Zhang H C, Lu J, Ni X W 2009 Acta Phys. Sin. 58 4034 (in Chinese) [张宏超, 陆建, 倪晓武 2009 物理学报 58 4034]

    [7]

    Schwarz J, Rambo P, Diels J C 2001 Appl. Phys. B 72 343

    [8]

    Thiyagarajan M, Scharer J 2008 J. Appl. Phys. 104 013303

    [9]

    Lu J, Ni X W, He A Z 1996 Physic of laser and material interaction (Beijing: JiXie GongYe Press) p87 (in Chinese) [陆建 倪晓武 贺安之 1996 激光与材料相互作用物理学 (北京: 机械工业出版社) 第87页].

    [10]

    Thiyagarajan M, Scharer J E 2008 IEEE Transactions on Plasma Science 36 2512

    [11]

    Soubacq S, Pignolet P, Schall E, Batina J 2004 J. Phys. D: Appl. Phys. 37 2686

    [12]

    Tang X S, Li C Y, Zhu G L, Ji X H, Feng E Y, Zhang W J, Cui Z F 2004 Chinese Journal of Lasers 31 687 (in Chinese) [唐晓闩, 李春燕, 朱光来, 季学韩, 凤尔银, 张为俊, 崔执凤 2004 中国激光 31 687]

    [13]

    Laux C O, Spence T G, Kruger C H, Zare R N 2003 Plasma Sources Sci. Technol. 12 125

    [14]

    Tong H F, Tang Z P 2008 Chinese Journal of High Pressure Physics 22 143 (in Chinese) [童慧峰, 唐志平 2008 高压物理学报 22 143]

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  • Received Date:  22 April 2012
  • Accepted Date:  01 June 2012
  • Published Online:  20 November 2012

Experimental investigation of delayed double pulse laser produced plasma in air

  • 1. Experiment Center, Anhui Sanlian University, Hefei 230601, China;
  • 2. Department of Information and Communication Technology, Anhui Sanlian University, Hefei 230601 China
Fund Project:  Project supported by the Scientific Research Fund of Anhui Sanlian University.

Abstract: By using Mach-Zehnder interferometer, we gain time series interference patterns of delayed double pulse laser and three-monopulse laser produced air plasmas. And then we gain electron density values in the centre of plasma region at different moments. We compare electron density values of the plasmas produced, respectively, by delayed double pulse laser and three-monopulse laser. The results show that the electron density of the plasma produced by the delayed double pulse laser is greater than by the three-monopulse laser at the same time after the second laser effects. The electron density time change processes of the plasma produced by delayed double pulse laser and monopulse laser of the same injection energy are analyzed theoretically. The analysis results show that when the same laser energy is injected, the delayed double pulse method can increase the plasma existing time effectively.

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