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Numerical Analysis of Weakly Relativistic Large Orbit Gyrotron with Permanent Magnet System

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Abstract

High-harmonic gyro-devices with axis-encircling electron beams known as large orbit gyrotrons (LOG) represent an appealing alternative to the conventional gyrotrons. In this paper we investigate the feasibility of such device operating with low current and low energy electron beams formed by a novel electron gun with a permanent magnet system. The results from the numerical experiments indicate the possibility to excite TE41 mode at fourth harmonic of the cyclotron frequency. Simulations predict generation of microwave radiation with frequency 104 GHz and output power near 1 kW.

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Authors and Affiliations

  1. Research Center for Development of Far-Infrared Region, Fukui University, 910-8507, Fukui, Japan

    M. Glyavin, S. Sabchevski, T. Idehara, I. Ogawa & S. Mitsudo

  2. Shin-Etsu Chemical Co., Ltd., Takefu-shi, Fukui, Japan

    K. Ohashi & H. Kobayashi

Authors
  1. M. Glyavin
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  2. S. Sabchevski
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  3. T. Idehara
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  4. I. Ogawa
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  5. S. Mitsudo
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  6. K. Ohashi
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  7. H. Kobayashi
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Glyavin, M., Sabchevski, S., Idehara, T. et al. Numerical Analysis of Weakly Relativistic Large Orbit Gyrotron with Permanent Magnet System. International Journal of Infrared and Millimeter Waves 21, 1211–1221 (2000). https://doi.org/10.1023/A:1026443932009

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  • DOI: https://doi.org/10.1023/A:1026443932009

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