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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- Optics and Precision Engineering
- Vol. 32, Issue 20, 2999 (2024)

Fig. 1. Schematic diagram of the experimental setup.

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)

Fig. 3. Mn atomic energy level diagram

Fig. 4. LIBS and LIBS-LIF spectra of sample 4

Fig. 5. Calibration curves of LIBS and LIBS-LIF for Mo I 386.41.
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Table 1. Certified concentration of Mo elements in the alloy structure steels sample (wt .%)
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Table 2. Spectroscopic parameters of the Mo element spectral lines
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Table 3. Quantitative analyses comparison for Mo element by LIBS and LSA-LIBS

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