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Comparison of Electron-Beam-Misalignment Effect on Starting Current and Output Power in Coaxial-Cavity and Cylindrical-Cavity Gyrotron Oscillators

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Abstract

Comparative study is presented to the effect of the electron-beam misalignment on the starting current and output power of the coaxial-cavity and cylindrical-cavity gyrotron oscillators operating in the millimeter wave ranges. The numerical analysis is based on the gyrokinetic formulas for a TE28,16,1 mode at a frequency of 140 GHz. Results show that the coaxial-cavity gyrotron oscillator has lower starting current and less power loss than the cylindrical-cavity gyrotron oscillator when the electron-beam axis has a misalignment to the cavity axis.

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Authors and Affiliations

  1. Department of Applied Physics, Southwest Jiaotong University, Chengdu, Sichuan, 610031, People's Republic of China

    Shi-Chang Zhang

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  1. Shi-Chang Zhang
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Zhang, SC. Comparison of Electron-Beam-Misalignment Effect on Starting Current and Output Power in Coaxial-Cavity and Cylindrical-Cavity Gyrotron Oscillators. International Journal of Infrared and Millimeter Waves 21, 547–551 (2000). https://doi.org/10.1023/A:1006627619093

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