Investigation of the self-absorption effect using spatially resolved laser-induced breakdown spectroscopy

Rongxing Yi, Lianbo Guo, Changmao Li, Xinyan Yang, Jiaming Li, Xiangyou Li, Xiaoyan Zeng, Yongfeng Lu

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

The self-absorption effect will seriously influence the accuracy of quantitative analyses using laser-induced breakdown spectroscopy (LIBS). To reduce the self-absorption effect, elements Na and K (major elements) and Pb and Cu (minor elements) in soil plasmas have been studied by spatially resolved LIBS (SRLIBS). The 2-dimensional distributions of line intensities and self-absorption coefficients of lines in the plasmas were investigated and the influence parameters of the self-absorption effect were also studied. Results have shown that the self-absorption effect could be reduced greatly and the accuracy of quantitative LIBS could be improved obviously by selecting the collecting zones of the plasmas carefully. Meanwhile, a high laser energy and a short delay time could be useful to expand the region which is influenced slightly by the self-absorption effect.

Original languageEnglish (US)
Pages (from-to)961-967
Number of pages7
JournalJournal of Analytical Atomic Spectrometry
Volume31
Issue number4
DOIs
StatePublished - Apr 2016

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Laser induced breakdown spectroscopy
Plasmas
High energy lasers
Time delay
Soils

ASJC Scopus subject areas

  • Analytical Chemistry
  • Spectroscopy

Cite this

Investigation of the self-absorption effect using spatially resolved laser-induced breakdown spectroscopy. / Yi, Rongxing; Guo, Lianbo; Li, Changmao; Yang, Xinyan; Li, Jiaming; Li, Xiangyou; Zeng, Xiaoyan; Lu, Yongfeng.

In: Journal of Analytical Atomic Spectrometry, Vol. 31, No. 4, 04.2016, p. 961-967.

Research output: Contribution to journalArticle

Yi, Rongxing ; Guo, Lianbo ; Li, Changmao ; Yang, Xinyan ; Li, Jiaming ; Li, Xiangyou ; Zeng, Xiaoyan ; Lu, Yongfeng. / Investigation of the self-absorption effect using spatially resolved laser-induced breakdown spectroscopy. In: Journal of Analytical Atomic Spectrometry. 2016 ; Vol. 31, No. 4. pp. 961-967.
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