Generation narrow focusing beams in plasma cathode electron guns

The work purpose is producing of the focused electron beam with minimal diameter and divergence in a plasma cathode gun. Researches of influence of an emitting plasma surface position in electron-optical system of a gun on electron beam parameters are executed. The measurement technique of current d...

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Published in2008 17th International Conference on High Power Particle Beams (BEAMS) pp. 1 - 4
Main Authors Rempe, N. G., Kornilov, S. Y., Osipov, I. V.
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.07.2008
Subjects
Cathodes
Electron guns
Focusing
Laser excitation
Particle beams
Plasmas
Trajectory
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Abstract The work purpose is producing of the focused electron beam with minimal diameter and divergence in a plasma cathode gun. Researches of influence of an emitting plasma surface position in electron-optical system of a gun on electron beam parameters are executed. The measurement technique of current density distribution is developed. For the first time in system with the plasma emitter beams with energy 30-60 keV, power about some kilowatt, with diameter of the order 250 microns and a divergence no more than 0,05 degrees are received.
AbstractList The work purpose is producing of the focused electron beam with minimal diameter and divergence in a plasma cathode gun. Researches of influence of an emitting plasma surface position in electron-optical system of a gun on electron beam parameters are executed. The measurement technique of current density distribution is developed. For the first time in system with the plasma emitter beams with energy 30-60 keV, power about some kilowatt, with diameter of the order 250 microns and a divergence no more than 0,05 degrees are received.
Author Osipov, I. V.
Kornilov, S. Y.
Rempe, N. G.
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  givenname: S. Y.
  surname: Kornilov
  fullname: Kornilov, S. Y.
  organization: Tomsk State Univ. of Control Syst. & Radioelectron., Tomsk, Russia
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  givenname: I. V.
  surname: Osipov
  fullname: Osipov, I. V.
  organization: Tomsk State Univ. of Control Syst. & Radioelectron., Tomsk, Russia
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Snippet The work purpose is producing of the focused electron beam with minimal diameter and divergence in a plasma cathode gun. Researches of influence of an emitting...
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StartPage 1
SubjectTerms Cathodes
Electron guns
Focusing
Laser excitation
Particle beams
Plasmas
Trajectory
Title Generation narrow focusing beams in plasma cathode electron guns
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