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
收藏
页码：5224 / 5226
页数：3
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