Collimation of fast electrons in critical density plasma channel
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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.
Iwawaki , T , Habara , H , Baton , S , Morita , K , Fuchs , J , Chen , S , Nakatsutsumi , M , Rousseaux , C , Filippi , F , Nazarov , W & Tanaka , K A 2015 , ' Collimation of fast electrons in critical density plasma channel ' Plasma and Fusion Research , vol 10 . DOI: 10.1585/pfr.10.1304005
Plasma and Fusion Research
Copyright 2015 The Japan Society of Plasma Science and Nuclear Fusion Research. Reproduced in accordance with publisher's copyright transfer agreement.
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