Dependence of the Electron Beam Parameters on the Stability of Laser Propagation in a Laser Wakefield Acceleratorстатья
Статья опубликована в высокорейтинговом журнале
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:Characteristics of electron beams produced by the laser wakefield acceleration are presented. The
dependence of the electron beam parameters on the laser focal spot size is investigated. The
experimental result shows the generation of quasimonoenergetic electron beam although the laser
spot size was several times larger than the plasma wavelength. Stable electron beam generation at
large laser spots was owing to the stable laser propagation in plasma channels. At a small laser
spot, the beam quality is poor and this is attributed to the the filamentation instability of the laser
beam.