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Electron dynamics in silver after ultrafast laser-excitation
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Paper Abstract

When a silver sample is irradiated with an ultrashort laser pulse with a wavelength of 400 nm and 800 nm, at first only the electronic system is excited. They are driven out of equilibrium, i.e. they do not follow a Fermi-Dirac distribution directly after excitation. We calculate the transient distribution function with help of full Boltzmann collision integrals. We show the influence of laser parameters like wavelength and fluence on the initial electron nonequilibrium distribution, as well as on the thermalization process. We find an strong dependence of the excited electron distribution on characteristic features in the electronic density of states.

Paper Details

Date Published: 16 February 2018
PDF: 6 pages
Proc. SPIE 10519, Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XXIII, 105190T (16 February 2018); doi: 10.1117/12.2290787
Show Author Affiliations
Sebastian T. Weber, Technische Univ. Kaiserslautern (Germany)
Baerbel Rethfeld, Technische Univ. Kaiserslautern (Germany)

Published in SPIE Proceedings Vol. 10519:
Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XXIII
Beat Neuenschwander; Costas P. Grigoropoulos; Tetsuya Makimura; Gediminas Račiukaitis, Editor(s)

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