The comparison of manganese spectral lines for self-absorption reduction in LIBS using laser-induced fluorescence
文献类型: 外文期刊
作者: Tang, Yun 1 ; LI, Jingfeng 1 ; Ma, Shixiang 2 ; Hu, Zhenlin 3 ; Peng, Xuxiang 1 ; Zhou, Weiping 1 ; Yuan, Xiao 1 ; Shen, Meng 3 ;
作者机构: 1.Hunan Univ Sci & Technol, Sch Phys & Elect Sci, Hunan Prov Key Lab Intelligent Sensors & Adv Senso, Xiangtan 411201, Peoples R China
2.Beijing Acad Agr & Forestry Sci, Natl Engn Res Ctr Intelligent Equipment Agr, Beijing 100097, Peoples R China
3.Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect WNLO, Wuhan 430074, Peoples R China
关键词: laser-induced breakdown spectroscopy; self-absorption; LIBS-LIF
期刊名称:PLASMA SCIENCE & TECHNOLOGY ( 影响因子:1.7; 五年影响因子:1.6 )
ISSN: 1009-0630
年卷期: 2023 年 25 卷 6 期
页码:
收录情况: SCI
摘要: The detection of manganese (Mn) in steel by laser-induced breakdown spectroscopy (LIBS) provides essential information for steelmaking. However, self-absorption greatly disrupts the LIBS spectral lines of Mn with high content. In this study, to minimize self-absorption for Mn spectral lines in LIBS, laser-induced fluorescence (LIF) was applied. Compared with conventional LIBS, the self-absorption factors (alpha) of Mn I 403.08, 403.31, and 403.45 nm lines were reduced by 90%, 88%, and 88%, respectively; the root mean square errors of cross-validation were decreased by 88%, 85%, and 87%, respectively; the average relative errors were reduced by 93%, 90%, and 91%, respectively; and average relative standard deviations were decreased by 29%, 32%, and 33%, respectively. The LIBS-LIF was shown to successfully minimize the self-absorption effect and spectral intensity fluctuation and improve detection accuracy.
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