Qing Lin, Naifei Ren, Anran Song, Guangzhi Xia. Mechanism of Femtosecond Laser-Induced Breakdown Mediated by Al/SiO2 Core/Shell Nanostructures[J]. Chinese Journal of Lasers, 2021, 48(14): 1402019
- Chinese Journal of Lasers
- Vol. 48, Issue 14, 1402019 (2021)
Fig. 1. Al/SiO2 core/shell nanostructure and its meshing. (a) Mesh structure; (b) Al/SiO2 core-shell nanostructure
Fig. 2. Coupling flow chart
Fig. 3. Calculation model of monomer
Fig. 4. Relative enhancement factor of electric field ξ for different morphology of Al/SiO2 core/shell nanoparticles in water. (a1)(a2) Monomer and its XZ cross section; (b1)(b2) dimer and its XZ cross section; (c1)(c2) trimer and its XZ cross section
Fig. 5. Proposed nanostructure and relative enhancement factor of electric field ξ at the center line of the nanostructure along Z-axis. (a) Proposed nanostructure; (b) relative enhancement factor of electric field ξ
Fig. 6. Extinction cross-section for monomer, dimer and trimer of Al/SiO2 core/shell nanoparticles
Fig. 7. Evolution of plasma electron density for different morphology of Al/SiO2 core/shell nanoparticles. (a) Monomer; (b) dimer; (c) trimer
Fig. 8. Lattice temperature of different morphology of Al/SiO2 core/shell nanoparticles at corresponding laser breakdown fluence at t=1200 fs. (a) Monomer; (b) dimer; (c) trimer
Fig. 9. Evolution of lattice temperature of different morphology of Al/SiO2 core/shell nanoparticles
Fig. 10. Evolution of electron temperature of water plasma mediated by trimer
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Table 1. Parameters used in multi-physical fields coupling model
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