Flame-enhanced laser-induced breakdown spectroscopy

L. Liu, S. Li, X. N. He, X. Huang, C. F. Zhang, L. S. Fan, M. X. Wang, Y. S. Zhou, K. Chen, L. Jiang, J. F. Silvain, Yongfeng Lu

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

Flame-enhanced laser-induced breakdown spectroscopy (LIBS) was investigated to improve the sensitivity of LIBS. It was realized by generating laser-induced plasmas in the blue outer envelope of a neutral oxy-acetylene flame. Fast imaging and temporally resolved spectroscopy of the plasmas were carried out. Enhanced intensity of up to 4 times and narrowed full width at half maximum (FWHM) down to 60% for emission lines were observed. Electron temperatures and densities were calculated to investigate the flame effects on plasma evolution. These calculated electron temperatures and densities showed that high-temperature and low-density plasmas were achieved before 4 μs in the flame environment, which has the potential to improve LIBS sensitivity and spectral resolution.

Original languageEnglish (US)
Pages (from-to)7686-7693
Number of pages8
JournalOptics Express
Volume22
Issue number7
DOIs
StatePublished - Jan 1 2014

Fingerprint

laser-induced breakdown spectroscopy
flames
oxyacetylene
electron energy
sensitivity
spectral resolution
plasma density
envelopes
spectroscopy
lasers

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Liu, L., Li, S., He, X. N., Huang, X., Zhang, C. F., Fan, L. S., ... Lu, Y. (2014). Flame-enhanced laser-induced breakdown spectroscopy. Optics Express, 22(7), 7686-7693. https://doi.org/10.1364/OE.22.007686

Flame-enhanced laser-induced breakdown spectroscopy. / Liu, L.; Li, S.; He, X. N.; Huang, X.; Zhang, C. F.; Fan, L. S.; Wang, M. X.; Zhou, Y. S.; Chen, K.; Jiang, L.; Silvain, J. F.; Lu, Yongfeng.

In: Optics Express, Vol. 22, No. 7, 01.01.2014, p. 7686-7693.

Research output: Contribution to journalArticle

Liu, L, Li, S, He, XN, Huang, X, Zhang, CF, Fan, LS, Wang, MX, Zhou, YS, Chen, K, Jiang, L, Silvain, JF & Lu, Y 2014, 'Flame-enhanced laser-induced breakdown spectroscopy', Optics Express, vol. 22, no. 7, pp. 7686-7693. https://doi.org/10.1364/OE.22.007686
Liu L, Li S, He XN, Huang X, Zhang CF, Fan LS et al. Flame-enhanced laser-induced breakdown spectroscopy. Optics Express. 2014 Jan 1;22(7):7686-7693. https://doi.org/10.1364/OE.22.007686
Liu, L. ; Li, S. ; He, X. N. ; Huang, X. ; Zhang, C. F. ; Fan, L. S. ; Wang, M. X. ; Zhou, Y. S. ; Chen, K. ; Jiang, L. ; Silvain, J. F. ; Lu, Yongfeng. / Flame-enhanced laser-induced breakdown spectroscopy. In: Optics Express. 2014 ; Vol. 22, No. 7. pp. 7686-7693.
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