Ningxi Meng, Wei Guo, Lizhi Wu, Ruiqi Shen, Yinghua Ye, Wei Zhang. Characteristics of Laser-Induced Plasma in Porous Anodic Aluminum Oxide[J]. Chinese Journal of Lasers, 2019, 46(2): 0211003
- Chinese Journal of Lasers
- Vol. 46, Issue 2, 0211003 (2019)
Fig. 1. Structure schematics of AAO. (a) Three-dimensional structure; (b) top view; (c) cross-sectional view
Fig. 2. Plasma morphology evolution and electronic temperature test system
Fig. 3. Schematic of experimental setup for reflectivity test
Fig. 4. SEM images of sample surface and cross-section. (a) Cross-section of SP450-200-550; (b) cross-section of SP450-300-550; (c) cross-section of SP450-400-550; (d) surface of SP450-200-550; (e) surface of SP450-300-550; (f) surface of SP450-400-550; (g) polished aluminum sheet
Fig. 5. High speed camera images of laser-induced plasma plume. (a) SP450-200-550; (b) SP450-300-550; (c) SP450-400-550; (d) polished aluminum sheet
Fig. 6. Emission spectra and line intensity as a function of delay time. (a) Emission spectra; (b) line intensity
Fig. 7. Variation of plasma electron temperature as a function of delay time
Fig. 8. Measured and simulated reflectivity of AAO with periodic structure. (a) Schematics of FDTD simulation; (b) measured reflectivity; (c) simulated reflectivity; (d) electric field intensity monitoring maps of y-z cross-section
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Table 1. Corresponding transitions of Al emission lines and their physical parameters
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