Zehao Lin, Runhua Li, Yinhua Jiang, Yuqi Chen. Signal Enhancement in Target-Enhanced Orthogonal Double-Pulse Laser-Induced Breakdown Spectroscopy[J]. Chinese Journal of Lasers, 2021, 48(24): 2411001
- Chinese Journal of Lasers
- Vol. 48, Issue 24, 2411001 (2021)
Fig. 1. Diagram of the experimental setup
Fig. 2. Temporal profiles of plasma emission of brass sample
Fig. 3. Plot of signal intensity of Cu I 324.75 nm in target-enhanced orthogonal DP-LIBS versus delay time between two pulses
Fig. 4. Emission spectra of plasma in SP-LIBS, orthogonal DP-LIBS, and target-enhanced orthogonal DP-LIBS
Fig. 5. Boltzmann plots of copper element for brass copper sample
Fig. 6. Lorentz fitting diagrams of Cu at 324.75 nm spectral line. (a) Orthogonal DP-LIBS; (b)target-enhanced orthogonal DP-LIBS
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Table 1. Enhancement factor of plasma emission intensity obtained in target-enhanced orthogonal DP-LIBS
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Table 2. Spectroscopic parameters of copper atomic lines for plasma temperature calculation
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