Study of Spark Discharge Assisted to Enhancement of Laser-Induced Breakdown Spectroscopic Detection for Metal Materials

被引:0
作者
Ping Liu
Jiamin Liu
Ding Wu
Liying Sun
Ran Hai
Hongbin Ding
机构
[1] Dalian University of Technology,Key Laboratory of Materials Modification by Laser, Ion and Electron Beams, Chinese Ministry of Education, School of Physics
来源
Plasma Chemistry and Plasma Processing | 2018年 / 38卷
关键词
Spark discharge; Emission enhanced mechanism; Limits of detections; Excitation/ionization;
D O I
暂无
中图分类号
学科分类号
摘要
In this work, laser triggered spark discharge was combined with laser-ablation under Air and Ar gases to investigate the characteristics of laser-ablated plasma emission. The experimental results show that the optical emission intensity is significantly enhanced by electric discharge compared to without discharge and the spectral emission time of plasma is much longer than that without discharge. The enhancement effect is more apparent in the presence of Ar ambient. In addition, the plasma temperature and electron density as well as limits of detections (LOD) have been determined. The better LOD can be attributed to the improvement of plasma. The higher plasma temperature and electron density indicate that the enhanced mechanism in emission intensity is predominated by the further excitation/ionization of the laser-ablated material by the spark discharge due to the energy deposition in the plasma.
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页码:803 / 816
页数:13
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  • [1] Wang Z(2014)Laser-induced breakdown spectroscopy in China Front Phys Beijing 9 419-438
  • [2] Yuan TB(2014)Influence of plasma conditions on the intensity ratio calibration curve during laser induced breakdown spectroscopy analysis Opt Lett 39 3818-3821
  • [3] Hou ZY(2005)Concept and operating performance use based on laser-induced of inspection machines for industrial breakdown spectroscopy Spectrochim Acta B 60 1070-1075
  • [4] Zhou WD(2014)Novel estimation of the humification degree of soil organ matter by laser-induced breakdown spectroscopy Spectrochim Acta Part B 99 76-81
  • [5] Lu JD(2013)Pre-flight calibration and initial data processing for the chem cam laser-induced breakdown spectroscopy instrument on the Mars Science Laboratory rover Spectrochim Acta 82 1-27
  • [6] Ding HB(2017)Laser-induced breakdown spectroscopy to monitor ion cyclotron range of frequency wall cleaning Li/D co-deposition in EAST tokamak Fusion Eng Des 118 98-103
  • [7] Kin CK(2017)Preliminary results of in situ laser-induced breakdown spectroscopy for the first wall diagnostics on EAST Plasma Sci Technol 19 025502-918
  • [8] In JH(2015)Characterization of deuterium retention and co-deposition of fuel with lithium on the divertor tile of EAST using laser induced breakdown spectroscopy J Nucl Mater 463 915-914
  • [9] Lee SH(2015)In-situ analysis of the first wall by laser-induced breakdown spectroscopy in the TEXTOR tokamak: dependence on the magnetic field strength J Nucl Mater 463 911-954
  • [10] Jeong S(2014)Study of deuterium retention on lithiated tungsten exposed to high-flux deuterium plasma using laser-induced breakdown spectroscopy Fusion Eng Des 89 949-1499