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<p>We present the results of calculating and studying experimentally a gyrotron working at the third harmonic of the cyclotron frequency. It used an electron-optical system that generated an electron beam with a particle energy of 280 keV and a current of up to 50 A. Coupled cavities with mode transformation were used as a selective element. The pulsed output power of the gyrotron radiation reached 0.8 MW at a frequency of 80 GHz with an efficiency of about 14%. The generation power was limited by a microwave breakdown in the first section of the cavity.</p>

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Relativistic Gyrotron with Coupled Mode-Transforming Cavities, Working at the Third Cyclotron Harmonic

  • 期刊论文

  • 发表日期：

    2025年8月1日

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  • E. V. Ilyakov,
  • Yu. K. Kalynov,
  • I. S. Kulagin,
  • N. A. Zavolsky,
  • Yu. D. Grom,
  • V. N. Manuilov,
  • A. S. Shevchenko

摘要

We present the results of calculating and studying experimentally a gyrotron working at the third harmonic of the cyclotron frequency. It used an electron-optical system that generated an electron beam with a particle energy of 280 keV and a current of up to 50 A. Coupled cavities with mode transformation were used as a selective element. The pulsed output power of the gyrotron radiation reached 0.8 MW at a frequency of 80 GHz with an efficiency of about 14%. The generation power was limited by a microwave breakdown in the first section of the cavity.