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Proceedings Paper

Electron acceleration by few-cycle laser pulse with single-wavelength spot size
Author(s): G. I. Dudnikova; V. Yu. Bychenkov; Anatoly M. Maksimchuk; Gerard A. Mourou; John A. Nees; S. G. Bochkarev; V. A. Vshivkov
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Paper Abstract

Generation of relativistic electrons from the interaction of a laser pulse with a high density plasma foil, accompanied by an underdense preplasma in front of it, has been studied with 2D particle-in-cell (PIC) simulations for pulse duration comparable to a single-cycle and for single-wavelength spot size. The primary mechanism responsible for electron acceleration is identified. Simulations show that the energy of the accelerated electrons has a maximum versus the pulse-duration for relativistic laser intensities. The most effective electron acceleration takes place when the preplasma scale length is comparable to the pulse-duration. Electron distribution functions have been found from PIC simulations. Their tails are well approximated by Maxwellian distributions with a hot temperature in the MeV range.

Paper Details

Date Published: 12 December 2003
PDF: 8 pages
Proc. SPIE 5228, ECLIM 2002: 27th European Conference on Laser Interaction with Matter, (12 December 2003); doi: 10.1117/12.536958
Show Author Affiliations
G. I. Dudnikova, Institute of Computational Technologies (Russia)
V. Yu. Bychenkov, P.N. Lebedev Physical Institute (Russia)
Anatoly M. Maksimchuk, Univ. of Michigan (United States)
Gerard A. Mourou, Univ. of Michigan (United States)
John A. Nees, Univ. of Michigan (United States)
S. G. Bochkarev, P.N. Lebedev Physical Institute (Russia)
V. A. Vshivkov, Institute of Computational Technologies (Russia)

Published in SPIE Proceedings Vol. 5228:
ECLIM 2002: 27th European Conference on Laser Interaction with Matter
Oleg N. Krokhin; Sergey Yu. Gus'kov; Yury A. Merkul'ev, Editor(s)

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