Plasma and Fusion Research
Online ISSN : 1880-6821
ISSN-L : 1880-6821
Letters
Collimation of Fast Electrons in Critical Density Plasma Channel
Tomoyuki IWAWAKI, Hideaki HABARA, Sophie BATON, Kiyoshi MORITA, Julien FUCHS, Sophia CHEN, Motoaki NAKATSUTSUMI, Christophe ROUSSEAUX, Francesco FILIPPI, Wigen NAZAROV, Kazuo A. TANAKA
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Keywords: ultra-intense laser, fast electron, plasma channeling, electron beam
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2015 Volume 10 Pages 1304005

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Abstract

Significantly collimated fast electron beam with a divergence angle 10◦ (FWHM) is generated through the interaction of ultra-intense laser light with a uniform critical density plasma in experiments and 2D PIC simulations. In the experiment, the uniform critical density plasma is created by ionizing an ultra-low density foam target. The spacial distribution of the fast electron is observed by Imaging Plate. 2D PIC simulation and post process analysis reveal magnetic collimation of energetic electrons along the plasma channel.

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© 2015 by The Japan Society of Plasma Science and Nuclear Fusion Research
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