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- Title
Reflection of a probe pulse and thermal emission of electrons produced by an aluminum film heated by a femtosecond laser pulse.
- Authors
Bezhanov, S.; Ionin, A.; Kanavin, A.; Kudryashov, S.; Makarov, S.; Seleznev, L.; Sinitsyn, D.; Uryupin, S.
- Abstract
It is shown that an experimental decrease in the reflection of a probe femtosecond pulse from an aluminum film heated by a higher-power femtosecond pulse can be quantitatively described taking into account the inhomogeneous distribution of the laser pulse field in the film and the evolution of the electron and lattice temperature during absorption of the heating inhomogeneous field. Analysis of the electron temperature evolution on the heated film surface combined with modern concepts about the influence of a surface volume charge on thermal emission gave the relation between the amount of emitted electrons and experimental data on the heating of the aluminum film by the femtosecond pulse.
- Subjects
OPTICAL reflection; ELECTRON emission; ALUMINUM films; FEMTOSECOND pulses; ABSORPTION; ELECTRON temperature
- Publication
Journal of Experimental & Theoretical Physics, 2015, Vol 120, Issue 6, p937
- ISSN
1063-7761
- Publication type
Article
- DOI
10.1134/S1063776115050106