• Infrared and Laser Engineering
  • Vol. 51, Issue 6, 20210422 (2022)
Sibo Wang, Luyun Jiang, Yanji Hong, Bangdeng Du, Baoyu Xing, Tengfei Zhang, and Heyan Gao
Author Affiliations
  • State Key Laboratory of Laser Propulsion & Application, Space Engineering University, Beijing 101416, China
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    DOI: 10.3788/IRLA20210422 Cite this Article
    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 Copy Citation Text show less
    Transmission and reflection modes of laser propulsion
    Fig. 1. Transmission and reflection modes of laser propulsion
    Experimental system. (a) Schematic diagram; (b) Experimental scene graph
    Fig. 2. Experimental system. (a) Schematic diagram; (b) Experimental scene graph
    Semiconductor laser
    Fig. 3. Semiconductor laser
    Single pulse impulse P and specific impulse change Ispwith power density
    Fig. 4. Single pulse impulse P and specific impulse change Ispwith power density
    Result of impulse coupling coefficient Cmand ablation efficiency η change with laser power density
    Fig. 5. Result of impulse coupling coefficient Cmand ablation efficiency η change with laser power density
    Result of the variation of single pulse impulse P and specific impulseIsp with laser pulse width
    Fig. 6. Result of the variation of single pulse impulse P and specific impulseIsp with laser pulse width
    Particulate matter with incomplete ablation
    Fig. 7. Particulate matter with incomplete ablation
    Cross-sectional view of laser ablation target pit with 400 μs width
    Fig. 8. Cross-sectional view of laser ablation target pit with 400 μs width
    Result of impulse coupling coefficient Cm and ablation efficiencyη varying with laser pulse width
    Fig. 9. Result of impulse coupling coefficient Cm and ablation efficiencyη varying with laser pulse width
    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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