Interaction of laser radiation with matter
Limits of applicability of a two-temperature model under nonuniform heating of metal by an ultrashort laser pulse
D. S. Polyakov, E. B. Yakovlev
St. Petersburg National Research University of Information Technologies, Mechanics and Optics
The heating of metals (silver and aluminium) by ultrashort laser pulses is analysed proceeding from a spatially nonuniform kinetic equation for the electron distribution function. The electron subsystem thermalisation is estimated in a wide range of absorbed pulse energy density. The limits of applicability are determined for the two-temperature model.
femtosecond pulse, thermalisation time, two-temperature model.
PDF file (1018 kB)
Quantum Electronics, 2015, 45:10, 917–926
72.15.-v, 42.65.Re, 42.62.Cf
D. S. Polyakov, E. B. Yakovlev, “Limits of applicability of a two-temperature model under nonuniform heating of metal by an ultrashort laser pulse”, Kvantovaya Elektronika, 45:10 (2015), 917–926 [Quantum Electron., 45:10 (2015), 917–926]
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