Yahui Su, Guangqian Wang, Congyuan Pan, Chuan Shen. Influence of Sample Position Fluctuation on Spectral Characteristic Parameters in Telemetry LIBS System[J]. Acta Optica Sinica, 2020, 40(7): 0730001
- Acta Optica Sinica
- Vol. 40, Issue 7, 0730001 (2020)
Fig. 1. Schematic of experimental device for telemetry LIBS system
Fig. 2. Variation of plasma spectra with wavelength and sample distance at different rail positions. (a) 4 mm; (b) 12 mm
Fig. 3. Intensity variation of element spectral line with sample distance at different rail positions
Fig. 4. Relative standard deviation variation of spectral line with sample distance at different guide positions. (a) 4 mm; (b) 12 mm
Fig. 5. Variation trend of spectral similarity at different sample distances
Fig. 6. Variation of sample position fluctuation tolerance with sample distance when similarity is 0.99
Fig. 7. Boltzmann plot of typical plasma temperatures
Fig. 8. Variation of plasma temperature with sample distance at different rail positions
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Table 1. Fe I spectral line parameters for calculating plasma temperature
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