Qun YAN, Shoujie LI, Yuan LU, Ye TIAN, Canxu ZHAI, Jinjia GUO, Wangquan YE, Ronger ZHENG. Image acquisition and analysis of LIBS plasma using RGB channels of color camera[J]. Chinese Journal of Quantum Electronics, 2024, 41(3): 446
- Chinese Journal of Quantum Electronics
- Vol. 41, Issue 3, 446 (2024)
Fig. 1. Schematic diagram of experimental setup
Fig. 2. Synchronous control timing for plasma image acquisition
![(a) Spectral response curve of the camera used in this study; (b) RGB filters' layout on pixels [26]](/Images/icon/loading.gif){kind=icon}
Fig. 3. (a) Spectral response curve of the camera used in this study; (b) RGB filters' layout on pixels [26]
Fig. 4. Schematic diagram of LIBS spectral intervals for copper zinc alloy targets corresponding to RGB channel of the camera
Fig. 5. Plasma images and RGB three channel separation results
Fig. 6. LIBS spectra of copper zinc alloy under different detection delays. (a) 0 μs; (b) 1 μs; (c) 2 μs; (d) 3 μs
Fig. 7. Plasma images under different filtering bands (a) and images after extracting RGB channels: (b) 400-490 nm;(c) 490-600 nm; (d) 600-800 nm
Fig. 8. The time evolution curve of the response intensity for the RGB three channels with and without an externally installed filter. (a) Before the external filter installation; (b) After the external filter installation
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