Development of a multipactor discharge in the output channel of a powerful pulsed gyroklystron
Technical Physics(2012)
Abstract
Reasons for microwave discharge initiation in the vacuum section of the output waveguide of a powerful gyroklystron are discussed. It is found that the discharge is located near the range of an electron cyclotron resonance. A one-sided multipactor discharge is numerically simulated in wide ranges of tilt angles and permanent magnetic fields. It is shown that the cyclotron resonance may considerably lower the multipactor discharge threshold in contrast to earlier concepts.
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Key words
Electron Cyclotron Resonance,Threshold Power,Secondary Emission,Constant Electric Field,Output Waveguide
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