Design of a Third-Harmonic Gyrotron Oscillator Using a Photonic Crystal Cavity

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概要

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• A photonic crystal cavity of the transverse electric (TE) mode is designed to support the third harmonic interaction with a 30 keV–0.7 A axis-encircling electron beam at the operating frequency of the Ka-band, where a magnetic field of 0.38 T is used. The lattice parameters of a square lattice of alumina rods are determined to fit the TE301-like mode in the photonic-band-gap spectral region, and the output signal of a fundamental waveguide mode is conveniently coupled to a conventional waveguide. A particle-in-cell code simulation predicts the single mode operation with the output power of concerning 2.9 kW, corresponding with an efficiency rating of 14%. This scheme can be extended to a $n$-th harmonic gyrotron using the rectangular cavity of a TEm01-like mode.

• 2009-07-25

著者

• Han Seong-Tae

  Korea Electrotechnology Research Institute, Ansan 426-170, Korea

• Jung Sun-Shin

  Korea Electrotechnology Research Institute, Ansan 426-170, Korea

• Joo Young-Do

  Department of Physics and Astronomy, Seoul National University, Seoul 151-742, Korea

• Park Gun-Sik

  Department of Physics and Astronomy, Seoul National University, Seoul 151-742, Korea

• Kim Dae-Ho

  Korea Electrotechnology Research Institute, Ansan 426-170, Korea

• Kim Jung-Il

  Korea Electrotechnology Research Institute, Ansan 426-170, Korea

• Jeon Seok-Gy

  Korea Electrotechnology Research Institute, Ansan 426-170, Korea

• Kim Jong-Uk

  Korea Electrotechnology Research Institute, Ansan 426-170, Korea

関連論文

• Design of a Third-Harmonic Gyrotron Oscillator Using a Photonic Crystal Cavity
• Design and Characterization of Plasmonic Terahertz Wave Detectors Based on Silicon Field-Effect Transistors
• Three-Dimensional Particle-in-Cell Simulation of Fast Oscillation Startup in Strapped Magnetron Using Electrically Primed Electrons

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