Electron Bunch Acceleration by an Intense Laser Pulse with a Plasma Separator (特集:平成16年基礎・材料・共通部門大会)

概要

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We study an electron acceleration by using a focused TEM10 + TEM01 mode laser pulse with a plasma separator in vacuum. By using the TEM10 + TEM01 mode laser and the plasma separator, the electrons are accelerated strongly compared with that in the case of a TEM00 mode laser, and the divergence of the electron bunch accelerated is suppressed in the transverse direction by the transverse ponderomotive force of the laser. In both the TEM00 mode laser and the TEM10 + TEM01 mode laser, the electrons are decelerated by the laser at the deceleration phase of the laser pulse tail. In order to suppress the energy loss, we set an overdense plasma separator before the electrons are decelerated by the laser tail. Only the laser pulse is reflected by the plasma separator, and the high energy electrons pass through the plasma separator without the energy loss at the tail of laser pulse.
社団法人電気学会の論文
2005-03-01