Fangrui YU, Guangqing DU, AHMAD Waqas, Yu LU, Qing YANG, Feng CHEN. Ultrafast heat transfer dynamics induced by femtosecond laser pulse in fused silica[J]. Journal of Applied Optics, 2024, 45(3): 529
- Journal of Applied Optics
- Vol. 45, Issue 3, 529 (2024)
Fig. 1. Spatio-temporal evolution of electron density in ionization region of fused silica irradiated by single femtosecond laser pulse (pulse width τp is 65 fs, energy density F is 5 J/cm2)
Fig. 2. Regulation of electron density in ionization region of fused silica irradiated by femtosecond laser energy density or pulse width: (a)~(c) pulse width τp is 65 fs, (d)~(f) energy density F is 5 J/cm2
Fig. 3. Spatio-temporal evolution of electron temperature and phonon temperature in ionization region of fused silica irradiated by single femtosecond laser pulse (pulse width τp is 65 fs, energy density F is 5 J/cm2)
Fig. 4. Spatio-temporal evolution of electron thermal capacity, electron thermal conductivity and electron-phonon coupling coefficient in excited region of fused silica irradiated by femtosecond laser (pulse width τp is 65 fs, energy density F is 5 J/cm2)
Fig. 5. Regulation of electron-phonon equilibrium time by femtosecond laser pulse width and pulse energy density (z is 100 nm)
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