Lili Dong, Junshan Xiu, Jiyuan Li, Shan Lin. Feasibility Analysis of Metal Elements in Drilling Fluid Based on Laser Induced Breakdown Spectroscopy[J]. Laser & Optoelectronics Progress, 2018, 55(3): 033001
- Laser & Optoelectronics Progress
- Vol. 55, Issue 3, 033001 (2018)
Fig. 1. Schematic of the experimental setup
Fig. 2. Signal intensity distribution of Na in ten measurements of plasma emission under the same experimental condition
Fig. 3. LIBS spectra of metal elements in drilling fluid. (a) Mg and Si; (b) Ca and Al; (c) Na; (d) K
Fig. 4. Time resolved spectra of Ca and Na elements. (a) Ca II 393.36 nm and Ca II 396.84 nm; (b) Na I 589.0 nm and Ca II 589.6 nm
Fig. 5. Radiation spectra of Ca element. (a) Evolution of intensity; (b) evolution of signal-background ratio
Fig. 6. Radiation spectra of Na element. (a) Evolution of intensity; (b) signal-background ratio
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Table 1. Optimal parameters for LIBS experiment of each element in drilling fluid
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