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首页> 外文期刊>Japanese journal of applied physics >Design of a Third-Harmonic Gyrotron Oscillator Using a Photonic Crystal Cavity
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Design of a Third-Harmonic Gyrotron Oscillator Using a Photonic Crystal Cavity

机译:利用光子晶体腔设计三次谐波回旋振荡器。

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摘要

A photonic crystal cavity of the transverse electric (TE) mode is designed to support the third harmonic interactiorn with a 30keV-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 TE_(301)-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 precficfs 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 TE_(m01)-like mode.
机译:横向电(TE)模式的光子晶体腔设计为以30keV-0.7 A轴环绕电子束在Ka波段的工作频率下支持三次谐波相互作用,其中使用的磁场为0.38 T 。确定氧化铝棒的正方形晶格的晶格参数以在光子带隙光谱区域中适合TE_(301)样模式,并且基本波导模式的输出信号方便地耦合到常规波导。单元格内粒子代码仿真可实现单模运行,输出功率约为2.9 kW,对应的效率等级为14%。使用类似TE_(m01)模式的矩形腔,可以将该方案扩展到n次谐波回旋管。

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  • 来源
    《Japanese journal of applied physics》 |2009年第7issue1期|074502.1-074502.5|共5页
  • 作者单位

    Department of Physics and Astronomy, Seoul National University, Seoul 151-742, Korea Pohang Accelerator Laboratory. Pohang 790-784. Korea;

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

    Korea Electrotechnology Research Institute, Ansan 426-170, Korea;

    Korea Electrotechnology Research Institute, Ansan 426-170, Korea;

    Korea Electrotechnology Research Institute, Ansan 426-170, Korea;

    Korea Electrotechnology Research Institute, Ansan 426-170, Korea;

    Korea Electrotechnology Research Institute, Ansan 426-170, Korea;

    Korea Electrotechnology Research Institute, Ansan 426-170, Korea;

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