• Optics and Precision Engineering
  • Vol. 32, Issue 20, 2999 (2024)
Kaifeng MO, Yun TANG*, Ze'en YANG, Sheng WANG..., Enxin GUO and Jiale LIAO|Show fewer author(s)
Author Affiliations
  • Hunan Province Key Laboratory of Intelligent Sensors and Advanced Sensor Materials, School of Physics and Electronics Science, Hunan University of Science and Technology, Xiangtan411201,China
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    DOI: 10.37188/OPE.20243220.2999 Cite this Article
    Kaifeng MO, Yun TANG, Ze'en YANG, Sheng WANG, Enxin GUO, Jiale LIAO. Quantitative analysis of Mo in alloy structural steel using laser-induced fluorescence assisted laser-induced breakdown spectroscopy[J]. Optics and Precision Engineering, 2024, 32(20): 2999 Copy Citation Text show less
    Schematic diagram of the experimental setup.
    Fig. 1. Schematic diagram of the experimental setup.
    The LIBS spectra of samples with eight different concentrations for Mo I 379.83 nm (a), Mo I 386.41 nm (c), and Mo I 390.30 nm (e). The LIBS-LIF spectra of samples with eight different concentrations for Mo I 379.83 nm (b), Mo I 386.41 nm (d), and Mo I 390.30 nm (f)
    Fig. 2. The LIBS spectra of samples with eight different concentrations for Mo I 379.83 nm (a), Mo I 386.41 nm (c), and Mo I 390.30 nm (e). The LIBS-LIF spectra of samples with eight different concentrations for Mo I 379.83 nm (b), Mo I 386.41 nm (d), and Mo I 390.30 nm (f)
    Mn atomic energy level diagram
    Fig. 3. Mn atomic energy level diagram
    LIBS and LIBS-LIF spectra of sample 4
    Fig. 4. LIBS and LIBS-LIF spectra of sample 4
    Calibration curves of LIBS and LIBS-LIF for Mo I 386.41.
    Fig. 5. Calibration curves of LIBS and LIBS-LIF for Mo I 386.41.
    编号12345678
    Mo0.210.0190.5561.40.8640.1180.3050.423
    Table 1. Certified concentration of Mo elements in the alloy structure steels sample (wt.%)
    Wavelength/nm

    Lower-level

    energy Ei /ev

    Upper-level

    energy Ek/ev

    Transition probability Aki

    (×107

    Upper statistical weight gk
    Exciting lines317.0303.909 61.377
    Analytical lines379.8303.263 36.899
    386.4103.207 76.237
    390.3003.175 86.175
    Table 2. Spectroscopic parameters of the Mo element spectral lines
    谱线方法α线性R2RMSECV(wt.%)ARE/%ARSD/%
    Mo I 386.41 nmLIBS0.708 950.976 50.113 781.011 50.007 733
    LIBS-LIF0.000 0070.996 80.039 4020.144 740.006 171
    Table 3. Quantitative analyses comparison for Mo element by LIBS and LSA-LIBS
    Kaifeng MO, Yun TANG, Ze'en YANG, Sheng WANG, Enxin GUO, Jiale LIAO. Quantitative analysis of Mo in alloy structural steel using laser-induced fluorescence assisted laser-induced breakdown spectroscopy[J]. Optics and Precision Engineering, 2024, 32(20): 2999
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