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Investigations of After Cavity Interaction in Gyrotrons Including the Effect of Non-uniform Magnetic Field

Investigations of After Cavity Interaction in Gyrotrons Including the Effect of Non-uniform Magnetic Field

Paperback

Technology & Engineering

ISBN10: 3731501295
ISBN13: 9783731501299
Publisher: Karlsruher Institut Fur Techn
Published: Sep 3 2014
Pages: 144
Weight: 0.40
Height: 0.31 Width: 5.83 Depth: 8.27
Language: English
Dynamic after-cavity interaction (ACI) in megawatt-class gyrotrons is investigated that could lead to lower output mode purity and increased level of internal stray radiation. The self-consistent KIT-IHM multi-mode-code SELFT has been modified to extend the simulation domain into the radius up-taper section of the gyrotron cavity where the probability of ACI exists. Studies on four different gyrotron configurations confirm that undesired interactions in the up-taper region can result in additional parasitic oscillations with relative power in the 1%-range.

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Technology & Engineering