Theory and simulations of a gyrotron backward wave oscillator using a helical interaction waveguide

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Abstract

A gyrotron backward wave oscillator (gyro-BWO) with a helically corrugated interaction waveguide demonstrated its potential as a powerful microwave source with high efficiency and a wide frequency tuning range. This letter presents the theory describing the dispersion properties of such a waveguide and the linear beam-wave interaction. Numerical simulation results using the PIC code MAGIC were found to be in excellent agreement with the output measured from a gyro-BWO experiment.
Original languageEnglish
Article number091504
Number of pages3
JournalApplied Physics Letters
Volume89
Issue number9
Early online date1 Sep 2006
DOIs
Publication statusPublished - 2006

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backward waves
oscillators
waveguides
wave interaction
simulation
tuning
interactions
microwaves
output

Keywords

  • gyrotron backward wave oscillator
  • helical interaction waveguide

Cite this

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title = "Theory and simulations of a gyrotron backward wave oscillator using a helical interaction waveguide",
abstract = "A gyrotron backward wave oscillator (gyro-BWO) with a helically corrugated interaction waveguide demonstrated its potential as a powerful microwave source with high efficiency and a wide frequency tuning range. This letter presents the theory describing the dispersion properties of such a waveguide and the linear beam-wave interaction. Numerical simulation results using the PIC code MAGIC were found to be in excellent agreement with the output measured from a gyro-BWO experiment.",
keywords = "gyrotron backward wave oscillator , helical interaction waveguide",
author = "A.W. Cross and A.D.R. Phelps and K. Ronald and W. He and C. Whyte and C.W. Robertson and A.R. Young",
year = "2006",
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journal = "Applied Physics Letters",
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AU - Cross, A.W.

AU - Phelps, A.D.R.

AU - Ronald, K.

AU - He, W.

AU - Whyte, C.

AU - Robertson, C.W.

AU - Young, A.R.

PY - 2006

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N2 - A gyrotron backward wave oscillator (gyro-BWO) with a helically corrugated interaction waveguide demonstrated its potential as a powerful microwave source with high efficiency and a wide frequency tuning range. This letter presents the theory describing the dispersion properties of such a waveguide and the linear beam-wave interaction. Numerical simulation results using the PIC code MAGIC were found to be in excellent agreement with the output measured from a gyro-BWO experiment.

AB - A gyrotron backward wave oscillator (gyro-BWO) with a helically corrugated interaction waveguide demonstrated its potential as a powerful microwave source with high efficiency and a wide frequency tuning range. This letter presents the theory describing the dispersion properties of such a waveguide and the linear beam-wave interaction. Numerical simulation results using the PIC code MAGIC were found to be in excellent agreement with the output measured from a gyro-BWO experiment.

KW - gyrotron backward wave oscillator

KW - helical interaction waveguide

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DO - 10.1063/1.2345607

M3 - Article

VL - 89

JO - Applied Physics Letters

JF - Applied Physics Letters

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