Detection and Analysis Method of Argon Volume Fraction Based on LIBS

Yufang Xia; Huadong Wang; Hongbo Fu; Zongling Ding; Feifan Shi; Mengyang Zhang; Amalisaifullah J; Zhirong Zhang

doi:10.3788/CJL250456

Chinese Journal of Lasers, Volume. 52, Issue 11, 1111002(2025)

Detection and Analysis Method of Argon Volume Fraction Based on LIBS

Yufang Xia^1,2, Huadong Wang^1、*, Hongbo Fu¹, Zongling Ding³, Feifan Shi³, Mengyang Zhang^1,2, Amalisaifullah J¹, and Zhirong Zhang^1,4,5,6、**

Author Affiliations

¹Anhui Provincial Key Laboratory of Photonic Devices and Materials, Anhui Institute of Optics and Fine Mechanics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, Anhui , China

²Science Island Branch, Graduate School, University of Science and Technology of China, Hefei 230026, Anhui , China

³School of Physics and Optoelectronic Engineering, Anhui University, Hefei 230601, Anhui , China

⁴Key Lab of Environmental Optics and Technology, Chinese Academy of Sciences, Hefei 230031, Anhui , China

⁵School of Environment Science and Optoelectronic Technology, University of Science and Technology of China, Hefei 230026, Anhui , China

⁶Advanced Laser Technology Laboratory of Anhui Province, Hefei 230037, Anhui , China

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Figures & Tables(9)

Fig. 1. Schematic diagram of Gas-LIBS experimental setup

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Fig. 2. LIBS emission spectra of mixed gases

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$Lorenz fitting and peak extraction of argon LIBS emission spectra (argon volume fraction of 90%)$

Fig. 3. Lorenz fitting and peak extraction of argon LIBS emission spectra (argon volume fraction of 90%)

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Fig. 4. Intensity characteristics of spectral lines. (a) Line plot of spectral line intensity before averaging; (b) statistical histogram of spectral line intensity before averaging; (c) line plot of spectral line intensity after averaging; (d) statistical histogram of spectral line intensity after averaging

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$LIBS line intensity versus argon volume fraction$

Fig. 5. LIBS line intensity versus argon volume fraction

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$Differential of spectral line intensity versus gas volume fraction. (a) First-order differential corresponding to sensitivity;$

Fig. 6. Differential of spectral line intensity versus gas volume fraction. (a) First-order differential corresponding to sensitivity;

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$Piecewise linear fitting in nitrogen. (a) Predicted volume fraction ; (b) absolute error; (c) relative error$

Fig. 7. Piecewise linear fitting in nitrogen. (a) Predicted volume fraction ; (b) absolute error; (c) relative error

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$Piecewise cubic fitting in nitrogen. (a) Predicted volume fraction; (b) absolute error; (c) relative error$

Fig. 8. Piecewise cubic fitting in nitrogen. (a) Predicted volume fraction; (b) absolute error; (c) relative error

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$Piecewise cubic fitting in air. (a) Predicted volume fraction; (b) absolute error; (c) relative error$

Fig. 9. Piecewise cubic fitting in air. (a) Predicted volume fraction; (b) absolute error; (c) relative error

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Yufang Xia, Huadong Wang, Hongbo Fu, Zongling Ding, Feifan Shi, Mengyang Zhang, Amalisaifullah J, Zhirong Zhang. Detection and Analysis Method of Argon Volume Fraction Based on LIBS[J]. Chinese Journal of Lasers, 2025, 52(11): 1111002

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Paper Information

Category: spectroscopy

Received: Jan. 10, 2025

Accepted: Mar. 18, 2025

Published Online: Jun. 14, 2025

The Author Email: Huadong Wang (wanghd@aiofm.ac.cn), Zhirong Zhang (zhangzr@aiofm.ac.cn)

DOI:10.3788/CJL250456

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology