Time-resolved resonance fluorescence spectroscopy for study of chemical reactions in laser-induced plasmas

Lei Liu, Leimin Deng, Lisha Fan, Xi Huang, Yao Lu, Xiaokang Shen, Lan Jiang, Jean François Silvain, Yongfeng Lu

Research output: Contribution to journalArticle

5 Scopus citations

Abstract

Identification of chemical intermediates and study of chemical reaction pathways and mechanisms in laser-induced plasmas are important for laser-ablated applications. Laser-induced breakdown spectroscopy (LIBS), as a promising spectroscopic technique, is efficient for elemental analyses but can only provide limited information about chemical products in laser-induced plasmas. In this work, time-resolved resonance fluorescence spectroscopy was studied as a promising tool for the study of chemical reactions in laser-induced plasmas. Resonance fluorescence excitation of diatomic aluminum monoxide (AlO) and triatomic dialuminum monoxide (Al2O) was used to identify these chemical intermediates. Time-resolved fluorescence spectra of AlO and Al2O were used to observe the temporal evolution in laser-induced Al plasmas and to study their formation in the Al-O2 chemistry in air.

Original languageEnglish (US)
Pages (from-to)27000-27007
Number of pages8
JournalOptics Express
Volume25
Issue number22
DOIs
StatePublished - Oct 30 2017

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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