Chuhui Zhang, Jian Lu, Hongchao Zhang, Lou Gao, Zhijian Xie. Dual-wavelength interferometric diagnosis of double-pulse laser induced aluminium plasma[J]. Infrared and Laser Engineering, 2022, 51(2): 20210892
- Infrared and Laser Engineering
- Vol. 51, Issue 2, 20210892 (2022)
Fig. 1. Diagram of experimental system
Fig. 2. Time resolved images of plasmas produced by the double-pulse. (a) 532 nm wavelength laser interferogram; (b) 1064 nm wavelength laser interferogram
Fig. 3. Electron density distribution diagram of plasma (Unit of the color bar is 1019cm−3)
Fig. 4. Cross sectional electron density distribution in plasma
Fig. 5. Comparison of plasma electron density induced by double-pulse laser and single-pulse laser
Fig. 6. Variation of electron density induced by double-pulse laser plasma with delay time
Fig. 7. Plasma electron density rise percentage
Fig. 8. Plasma electron density distribution diagram with different delay times at 130 ns (Unit of the color bar scale is 1019cm−3)
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