The laser wakefield acceleration experiment at Ecole Polytechnique

F Amiranoff, D Bernard,B Cros,F Dorchies,F Jacquet,V Malka,J.R Marques,G Matthieussent,Ph Mine,A Modena,J Morillo,Z Najmudin

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT（1998）

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摘要

A laser wakefield electron acceleration experiment has been set-up at Ecole Polytechnique. An electron beam with 3 MeV total energy is injected in a plasma wave generated by laser wakefield using the new LULI CPA laser (400 fs [FWHM], I < 10(17) W/cm(2)). The first results show an effective acceleration of the order of 1 MeV, with a maximum when the electron density is close to the optimum value for which the laser pulse length is about half the plasma wavelength. (C) 1998 Elsevier Science B.V. All rights reserved.

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关键词

particle acceleration,laser wakefield

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