Spatially selective excitation in laser-induced breakdown spectroscopy combined with laser-induced fluorescence

Jiaming Li; Zhongqi Hao; Nan Zhao; Ran Zhou; Rongxing Yi; Shisong Tang; Lianbo Guo; Xiangyou Li; Xiaoyan Zeng; Yongfeng Lu

doi:10.1364/OE.25.004945

Spatially selective excitation in laser-induced breakdown spectroscopy combined with laser-induced fluorescence

Jiaming Li, Zhongqi Hao, Nan Zhao, Ran Zhou, Rongxing Yi, Shisong Tang, Lianbo Guo, Xiangyou Li, Xiaoyan Zeng, Yongfeng Lu

Research output: Contribution to journal › Article › peer-review

26 Scopus citations

Abstract

Spatially selective excitation was proposed to improve excitation efficiency in laser-induced breakdown spectroscopy combined with laser-induced fluorescence (LIBS-LIF). Taking chromium (Cr) and nickel (Ni) elements in steels as examples, it was discovered that the optimal excitation locations were the center of the plasmas for the matrix of the iron (Fe) element but the periphery for Cr and Ni elements. By focusing an excitation laser at the optimal locations, not only excitation efficiency but also the analytical accuracy and sensitivity of quantitative LIBS-LIF were better than those with excitation at the plasma center in conventional LIBS-LIF. This study provides an effective way to improve LIBS-LIF analytical performance.

Original language	English (US)
Pages (from-to)	4945-4951
Number of pages	7
Journal	Optics Express
Volume	25
Issue number	5
DOIs	https://doi.org/10.1364/OE.25.004945
State	Published - 2017
Externally published	Yes

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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Spatially selective excitation in laser-induced breakdown spectroscopy combined with laser-induced fluorescence. / Li, Jiaming; Hao, Zhongqi; Zhao, Nan; Zhou, Ran; Yi, Rongxing; Tang, Shisong; Guo, Lianbo; Li, Xiangyou; Zeng, Xiaoyan; Lu, Yongfeng.

In: Optics Express, Vol. 25, No. 5, 2017, p. 4945-4951.

Research output: Contribution to journal › Article › peer-review

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title = "Spatially selective excitation in laser-induced breakdown spectroscopy combined with laser-induced fluorescence",

abstract = "Spatially selective excitation was proposed to improve excitation efficiency in laser-induced breakdown spectroscopy combined with laser-induced fluorescence (LIBS-LIF). Taking chromium (Cr) and nickel (Ni) elements in steels as examples, it was discovered that the optimal excitation locations were the center of the plasmas for the matrix of the iron (Fe) element but the periphery for Cr and Ni elements. By focusing an excitation laser at the optimal locations, not only excitation efficiency but also the analytical accuracy and sensitivity of quantitative LIBS-LIF were better than those with excitation at the plasma center in conventional LIBS-LIF. This study provides an effective way to improve LIBS-LIF analytical performance.",

author = "Jiaming Li and Zhongqi Hao and Nan Zhao and Ran Zhou and Rongxing Yi and Shisong Tang and Lianbo Guo and Xiangyou Li and Xiaoyan Zeng and Yongfeng Lu",

note = "Funding Information: National Instrumentation Program of China (No. 2011YQ160017); National Natural Science Foundation of China (61575073). Publisher Copyright: {\textcopyright} 2017 Optical Society of America.",

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AU - Li, Jiaming

AU - Hao, Zhongqi

AU - Zhao, Nan

AU - Zhou, Ran

AU - Yi, Rongxing

AU - Tang, Shisong

AU - Guo, Lianbo

AU - Li, Xiangyou

AU - Zeng, Xiaoyan

AU - Lu, Yongfeng

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Spatially selective excitation in laser-induced breakdown spectroscopy combined with laser-induced fluorescence

Abstract

ASJC Scopus subject areas

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