Resonance-enhanced laser-induced plasma spectroscopy for sensitive elemental analysis: Elucidation of enhancement mechanisms

S. L. Lui, Nai Ho CHEUNG*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

27 Citations (Scopus)

Abstract

A description of resonance-enhanced laser-induced plasma spectroscopy for elemental analysis was presented. It was found that the analyte signal-to-noise ratio increased from four to over fifty if the plume was reheated. Results showed that the enhancement was not due to resonance photoionization, instead rekindling of a larger plume volume was the mechanism responsible.

Original languageEnglish
Pages (from-to)5114-5116
Number of pages3
JournalApplied Physics Letters
Volume81
Issue number27
DOIs
Publication statusPublished - 30 Dec 2002

Scopus Subject Areas

  • Physics and Astronomy (miscellaneous)

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