Author:
Trunev Yury,Skovorodin Dmitry,Astrelin Vitaly,Danilov Valerii,Burdakov Alexander,Kurkuchekov Victor,Popov Sergey,Sinitsky Stanislav,Tarakanov Vladimir,Atlukhanov Magomedriza
Abstract
AbstractInfluence of backstreaming ions from the target on spot size of focused 2 MeV electron beam was considered. The 2D version of the particle-in-cell code KARAT was used to study the formation of the ions stream and dynamics of the electron beam. It was shown that light species emitted from the target can disrupt the beam. The emission of low-ionized states of tantalum cannot disrupt the beam during about 30 ns or longer. A few non-invasive techniques of mitigation of the beam disruption were considered. Final magnetic lens with fast variation of magnetic field of several hundred Ampere-turns per nanosecond is capable to stabilize initial spot size of the compressed beam at the target.
Subject
Electrical and Electronic Engineering,Condensed Matter Physics,Atomic and Molecular Physics, and Optics
Cited by
3 articles.
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