Xingzu MING, Xuekun LI, Chengji MI, Guoqi HE, Xian ZHOU, Chao LI, Rui MING. Complex Coupling Model and Morphology Effect of Femtosecond Laser Ablation of Tooth Surface[J]. Acta Photonica Sinica, 2023, 52(4): 0414002
- Acta Photonica Sinica
- Vol. 52, Issue 4, 0414002 (2023)
Fig. 1. Energy accumulation model of femtosecond laser multi-pulse processing
Fig. 2. The variable defocus amount model for femtosecond laser processing
Fig. 3. Temperature variation curves of electrons and lattices under variable energy and variable pulse width
Fig. 4. Ablation crater depth and radius simulation results
Fig. 5. Schematic diagram of femtosecond laser processing system
Fig. 6. Femtosecond laser surface machining schematic and surface morphology microstructure
Fig. 7. The ratio of effective light intensity Ii to peak energy I0 with tilt angle curve
Fig. 8. Schematic diagram of the energy distribution of the laser spot acting on an oblique surface
Fig. 9. Detection diagram of single-pulse slope ablation pits with variable pulse width
Fig. 10. Multi-pulse slope ablation pit detection diagram
Fig. 11. Ablation crater left side profile shape change diagram
Fig. 12. The microstructure of the pit surface ablated by the variable pulse（the magnification scale is 5 μm）
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Table 1. Femtosecond laser simulation parameters
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