Design of a triodelike electron gun for millimeter-wave gyrodevices

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Abstract

A computational study has been made on the design of a 150-kV triodelike switchable electron gun. A smooth magnetic cusp arrangement was used to produce an axis-encircling
beam. Numerical optimization of this arrangement led to a gun design that produced beam parameters of Ib ∼ 6 A, α = 1.2, and dα ∼ 15%. It has also been shown that this triode design can produce beam suppression at ∼2 kV while not interfering with the beam parameters under operation conditions.
LanguageEnglish
Pages2520 - 2523
Number of pages4
JournalIEEE Transactions on Electron Devices
Volume59
Issue number9
DOIs
Publication statusPublished - Sep 2012

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Electron guns
Millimeter waves
Triodes

Keywords

  • numerical modeling
  • device modeling
  • electron beam devices
  • gyrotrons
  • high-power microwaves
  • millimeter waves

Cite this

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title = "Design of a triodelike electron gun for millimeter-wave gyrodevices",
abstract = "A computational study has been made on the design of a 150-kV triodelike switchable electron gun. A smooth magnetic cusp arrangement was used to produce an axis-encirclingbeam. Numerical optimization of this arrangement led to a gun design that produced beam parameters of Ib ∼ 6 A, α = 1.2, and dα ∼ 15{\%}. It has also been shown that this triode design can produce beam suppression at ∼2 kV while not interfering with the beam parameters under operation conditions.",
keywords = "numerical modeling, device modeling, electron beam devices, gyrotrons, high-power microwaves, millimeter waves",
author = "Craig Robertson and Alan Young and Kevin Ronald and Adrian Cross and Colin Whyte",
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AB - A computational study has been made on the design of a 150-kV triodelike switchable electron gun. A smooth magnetic cusp arrangement was used to produce an axis-encirclingbeam. Numerical optimization of this arrangement led to a gun design that produced beam parameters of Ib ∼ 6 A, α = 1.2, and dα ∼ 15%. It has also been shown that this triode design can produce beam suppression at ∼2 kV while not interfering with the beam parameters under operation conditions.

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KW - electron beam devices

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