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Influence of Aftercavity Interaction on Gyrotron Efficiency

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Radiophysics and Quantum Electronics Aims and scope

Abstract

We consider theoretically the influence of interaction of a used electron beam with a concurrent wave in the output waveguide transition outside the cavity on the efficiency and energy recovery in a powerful millimeter-wave gyrotron. Without energy recovery, parasitic interaction in the transition reduces the efficiency and output power of a gyrotron by 5–10%. In a gyrotron with energy recovery, losses due to interaction in the transition can become most significant compared with other losses, and the efficiency is reduced by 20–30%. The influence of the transition decreases with decreasing transition length and increasing ratio of the maximum radius to the minimum radius of the transition.

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Authors and Affiliations

  1. Institute of Applied Physics of the Russian Academy of Sciences, Nizhny Novgorod, Russia

    V. E. Zapevalov & M. A. Moiseev

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  1. V. E. Zapevalov
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  2. M. A. Moiseev
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Zapevalov, V.E., Moiseev, M.A. Influence of Aftercavity Interaction on Gyrotron Efficiency. Radiophysics and Quantum Electronics 47, 520–527 (2004). https://doi.org/10.1023/B:RAQE.0000047243.18212.1d

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  • DOI: https://doi.org/10.1023/B:RAQE.0000047243.18212.1d

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