Self-absorption reduction in laser-induced breakdown spectroscopy using laser-stimulated absorption

被引：73

作者：

Li, Jia-Ming ^{[1
]}

Guo, Lian-Bo ^{[1
]}

Li, Chang-Mao ^{[1
]}

Zhao, Nan ^{[1
]}

Yang, Xin-Yan ^{[1
]}

Hao, Zhong-Qi ^{[1
]}

Li, Xiang-You ^{[1
]}

Zeng, Xiao-Yan ^{[1
]}

Lu, Yong-Feng ^{[1
]}

机构：

[1] Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect, Wuhan 430074, Peoples R China

来源：

OPTICS LETTERS | 2015年 / 40卷 / 22期

基金：

中国国家自然科学基金;

关键词：

SPECTRAL-LINE; QUANTITATIVE-ANALYSIS; RESONANCE LINES; EMISSION-LINES; PLASMA; LIBS; COEFFICIENTS; CONFINEMENT; INTENSITY; ALUMINUM;

D O I：

10.1364/OL.40.005224

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The self-absorption effect is one of the main bottlenecks for the laser-induced breakdown spectroscopy (LIBS) technique. In this Letter, LIBS assisted by laser-stimulated absorption (LSA-LIBS) is proposed to solve this problem. The process of LSA in self-absorption reduction is discussed and confirmed. The serious self-absorption phenomena of spectral lines (K, Mn, and Al) were not observed in LSA-LIBS. The full width at half-maximum (FWHM) of K, Mn, and Al was reduced by about 58%, 25%, and 52%, respectively. The results demonstrate the capability of this approach to self-absorption reduction in the LIBS technique. (C) 2015 Optical Society of America

引用

页码：5224 / 5226

页数：3

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