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An Axial Monotron with Rippled Wall Resonator

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Abstract

With application to centimeter-wave monotron oscillators, the present work proposes a rippled wall cylindrical cavity that provides efficient coupling to a coaxial output circuit. Driven by a centered, solid 50 A, 34 keV electron beam, the corrugated cavity thus designed operates at 10.5 GHz in the 2π-mode with two radial variations. The monotron operation is examined through 2.5D particle-in-cell simulation giving 260 kW average power output. This corresponds to 15.3 percent overall efficiency at the theoretical limit of 20.0% percent electronic effciency as predicted by one-dimensional analysis.

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Authors and Affiliations

  1. Associated Plasma Laboratory, National Institute for Space Research, INPE, 12201-970, São José dos Campos, SP, Brazil

    J. J. Barroso & J. P. Leite Neto

  2. Department of General Physics, Sofia University, 5, J. Bourchier Boulevard, Sofia, 1164, Bulgaria

    K. G. Kostov

Authors
  1. J. J. Barroso
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  2. K. G. Kostov
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  3. J. P. Leite Neto
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Barroso, J.J., Kostov, K.G. & Neto, J.P.L. An Axial Monotron with Rippled Wall Resonator. International Journal of Infrared and Millimeter Waves 22, 265–276 (2001). https://doi.org/10.1023/A:1010744204031

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  • DOI: https://doi.org/10.1023/A:1010744204031

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