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ZHAO Xiao-xia, LUO Wen-feng, ZHANG Xiang-wu, LI Yuan-yuan, YANG Sen-lin. Measurement of brass plasma parameters based on laser-induced breakdown spectroscopy[J]. LASER TECHNOLOGY, 2013, 37(1): 93-96. DOI: 10.7510/jgjs.issn.1001-3806.2013.01.023
Citation: ZHAO Xiao-xia, LUO Wen-feng, ZHANG Xiang-wu, LI Yuan-yuan, YANG Sen-lin. Measurement of brass plasma parameters based on laser-induced breakdown spectroscopy[J]. LASER TECHNOLOGY, 2013, 37(1): 93-96. DOI: 10.7510/jgjs.issn.1001-3806.2013.01.023
shu

Measurement of brass plasma parameters based on laser-induced breakdown spectroscopy

  • 1.

    Department of Physics and Opto-Electronic Engineering, Xi'an University of Arts and Science, Xi'an 710065, China;

  • 2.

    Department of Photo-Electric Technology, School of Electronic Engineering, Xi'an University of Posts & Telecommunications, Xi'an 71012

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  • Received Date: May 29, 2012
  • Revised Date: June 17, 2012
  • Published Date: January 24, 2013
    Graphical Abstract
    • Abstract
  • In order to minimize the measurement errors,an improved iterative Boltzmann plot method and Lorentz fitting method were used.The electron temperature Te in brass plasma was 6051K with the iterative calculation,and the electron density Ne of 3.31017cm-3 was inferred from the Stark broadened profile of Cu Ⅰ 324.75mm.The results show that the correlation coefficient is increased from 0.73 to 0.98 after 9 iterations in calculation of Te,and the correlation coefficient increases from 0.90 to 0.96 after 15 averaged numbers in calculation of Ne.The results are helpful to accurately calculate the parameters of plasma.
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