Yanwei Yang, Xiaojian Hao, Baowu Pan, Ruizhong Zhang, Yekun Liu, Peng Sun, Wenyuan Hao. Parameter optimization of laser-induced breakdown bauxite spectra based on cavity confinement[J]. Infrared and Laser Engineering, 2022, 51(3): 20210661
- Infrared and Laser Engineering
- Vol. 51, Issue 3, 20210661 (2022)
Fig. 1. Schematic diagram of LIBS experiment apparatus
Fig. 2. Diagram of experimental scene
Fig. 3. Characteristic spectrum of Si and Al in LIBS with and without cavity restriction
Fig. 4. Spectral line intensity of Al and Si elements under different pressures. (a) Si Ⅰ 288.15 nm; (b) Al Ⅰ 308.21 nm
Fig. 5. Spectral intensities of Al and Si elements change with laser energy under two LIBS conditions. (a) LIBS; (b) CC-LIBS
Fig. 6. SNR of Al and Si elements vary with laser energy. (a) Si Ⅰ 288.15 nm; (b) Al Ⅰ 308.21 nm
Fig. 7. Spectral intensities of Al and Si elements change with the acquisition delay time under two LIBS conditions. (a) LIBS; (b) CC-LIBS
Fig. 8. SNR of Al and Si elements vary with the acquisition delay time. (a) Si Ⅰ 288.15 nm; (b) Al Ⅰ 308.21 nm
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