Xubin Chen, Xiulan Ling, Zhicong Shao. Laser Protective Thin Films Based on Vanadium Dioxide Phase Transition Characteristics[J]. Laser & Optoelectronics Progress, 2025, 62(3): 0314009
- Laser & Optoelectronics Progress
- Vol. 62, Issue 3, 0314009 (2025)
Fig. 1. Schematic diagram of laser incident film system under different states. (a) Dielectric phase; (b) metal phase
Fig. 2. Change of transmittance of single layer vanadium dioxide with thickness of film
Fig. 3. Structure distribution of multilayer film system
Fig. 4. Function of temperature and time under different pulse intensities under constant pulse duration τ=60 ps
Fig. 5. Temperature distribution diagram
Fig. 6. Functional relationship between temperature and time of VO2
Fig. 7. Functional relationship between VO2 metal phase fraction, refractive index, and temperature
Fig. 8. Temperature and transmittance as a function of time when multiple pulse excitation films are applied
Fig. 9. Comparison of transmittance of film system before and after refractive index optimization
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Table 1. Simulation parameters of materials
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