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

被引：10

作者：

Liu, Lei ^{[1
]}

Deng, Leimin ^{[1
]}

Fan, Lisha ^{[1
]}

Huang, Xi ^{[1
]}

Lu, Yao ^{[1
]}

Shen, Xiaokang ^{[1
]}

Jiang, Lan ^{[2
]}

Silvain, Jean-Francois ^{[1
,3
]}

Lu, Yongfeng ^{[1
]}

机构：

[1] Univ Nebraska, Dept Elect & Comp Engn, Lincoln, NE 68588 USA

[2] Beijing Inst Technol, Sch Mech Engn, Beijing 100081, Peoples R China

[3] CNRS, ICMCB, 87 Ave Docteur Albert Schweitzer, F-33608 Pessac, France

来源：

OPTICS EXPRESS | 2017年 / 25卷 / 22期

关键词：

MOLECULAR ISOTOPIC SPECTROMETRY; MASS-SPECTROMETRY; AB-INITIO; EMISSION-SPECTRA; ALO; AL2O; ABSORPTION; CHEMISTRY; SURFACE; SYSTEM;

D O I：

10.1364/OE.25.027000

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

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-O-2 chemistry in air. (C) 2017 Optical Society of America

引用

页码：27000 / 27007

页数：8

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