Sibo Wang, Luyun Jiang, Yanji Hong, Bangdeng Du, Baoyu Xing, Tengfei Zhang, Heyan Gao. Research on the influence of laser pulse width and power density on ablation performance[J]. Infrared and Laser Engineering, 2022, 51(6): 20210422

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- Infrared and Laser Engineering
- Vol. 51, Issue 6, 20210422 (2022)

Fig. 1. Transmission and reflection modes of laser propulsion

Fig. 2. Experimental system. (a) Schematic diagram; (b) Experimental scene graph

Fig. 3. Semiconductor laser

Fig. 4. Single pulse impulse P and specific impulse change I sp with power density

Fig. 5. Result of impulse coupling coefficient Cm and ablation efficiency η change with laser power density

Fig. 6. Result of the variation of single pulse impulse P and specific impulseI sp with laser pulse width

Fig. 7. Particulate matter with incomplete ablation

Fig. 8. Cross-sectional view of laser ablation target pit with 400 μs width

Fig. 9. Result of impulse coupling coefficient C m and ablation efficiencyη varying with laser pulse width

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