Generation of a Dense Electron Beam in a Thin Film
Using an Ultraintense Femtosecond Laser Pulse

I. N. Kosarev

Institute of Laser and Information Technologies, Svyatoozerskaya ul. 1, Shatura, Moscow oblast, 140700 Russia
e-mail: kossarev2006@yandex.ru

Received February 6, 2013; in final form, May 29, 2013

Abstract—Electron dynamics in a thin target irradiated with femtosecond laser pulses at an intensity of
10²⁰W/cm² is studied in the framework of the kinetic theory of laser plasma based on the construction of prop-
agators (in classical limit) for electron and ion distribution functions in plasma. The calculations are performed for
real densities and charges of plasma ions. Electrons are partly ejected from the target. The laser pulse energy is
predominantly absorbed by electrons, and the electrons are accelerated to relatively high energies.

DOI: 10.1134/S1063784214030153

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