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Electromagnetic Wave Propagation in an Annular Electron Beam With Ion Channel Guiding

The dispersion characteristics of electrostatic and electromagnetic modes of an electron tube, with ion channel guiding, in a cylindrical waveguide are presented. The analysis takes into account a relativistic hollow electron beam guided by an ion channel. Dispersion relations are derived and solved...

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Published in:	IEEE transactions on plasma science 2011-09, Vol.39 (9), p.1800-1806
Main Authors:	Aghamir, F. M., Almasi, H.
Format:	Article
Language:	English
Subjects:	Annular Betatron mode Dispersion dispersion relation Dispersions Electromagnetic scattering Electromagnetic waveguides Electromagnetic waves Electromagnetics Electron beams Electron tubes Electrostatics Equations Frequencies hollow electron beam ion channel guiding Ion channels Magnetic fields MHD equations Numerical analysis Space charge space charge mode Vacuum tubes wave equation waveguide modes
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container_title	IEEE transactions on plasma science
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creator	Aghamir, F. M. Almasi, H.
description	The dispersion characteristics of electrostatic and electromagnetic modes of an electron tube, with ion channel guiding, in a cylindrical waveguide are presented. The analysis takes into account a relativistic hollow electron beam guided by an ion channel. Dispersion relations are derived and solved numerically to study the waveguide, betatron, and space charge modes. The effect of the annular electron beam thickness on frequencies of the electrostatic and electromagnetic waves is investigated. This paper reveals the strong dependence of the electromagnetic and electrostatic waves' frequencies on the electron beam thickness. The results of this paper are compared with previous works where an electron tube is guided with an axial magnetic field.
doi_str_mv	10.1109/TPS.2011.2160294
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M. ; Almasi, H.</creator><creatorcontrib>Aghamir, F. M. ; Almasi, H.</creatorcontrib><description>The dispersion characteristics of electrostatic and electromagnetic modes of an electron tube, with ion channel guiding, in a cylindrical waveguide are presented. The analysis takes into account a relativistic hollow electron beam guided by an ion channel. Dispersion relations are derived and solved numerically to study the waveguide, betatron, and space charge modes. The effect of the annular electron beam thickness on frequencies of the electrostatic and electromagnetic waves is investigated. This paper reveals the strong dependence of the electromagnetic and electrostatic waves' frequencies on the electron beam thickness. 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M.</creatorcontrib><creatorcontrib>Almasi, H.</creatorcontrib><title>Electromagnetic Wave Propagation in an Annular Electron Beam With Ion Channel Guiding</title><title>IEEE transactions on plasma science</title><addtitle>TPS</addtitle><description>The dispersion characteristics of electrostatic and electromagnetic modes of an electron tube, with ion channel guiding, in a cylindrical waveguide are presented. The analysis takes into account a relativistic hollow electron beam guided by an ion channel. Dispersion relations are derived and solved numerically to study the waveguide, betatron, and space charge modes. The effect of the annular electron beam thickness on frequencies of the electrostatic and electromagnetic waves is investigated. This paper reveals the strong dependence of the electromagnetic and electrostatic waves' frequencies on the electron beam thickness. 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M.</creatorcontrib><creatorcontrib>Almasi, H.</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Xplore</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><jtitle>IEEE transactions on plasma science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Aghamir, F. 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subjects	Annular Betatron mode Dispersion dispersion relation Dispersions Electromagnetic scattering Electromagnetic waveguides Electromagnetic waves Electromagnetics Electron beams Electron tubes Electrostatics Equations Frequencies hollow electron beam ion channel guiding Ion channels Magnetic fields MHD equations Numerical analysis Space charge space charge mode Vacuum tubes wave equation waveguide modes
title	Electromagnetic Wave Propagation in an Annular Electron Beam With Ion Channel Guiding
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