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Transverse effects in a free-electron laser oscillator with two electron beams

机译:具有两个电子束的自由电子激光振荡器的横向效应

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摘要

We have analyzed the transverse effects in a free-electron laser (FEL) oscillator using two electron beams of different energies referring to a proposed FEL facility operated in the far-infrared and infrared regions. The transverse effects in a free-electron laser oscillator were studied taking into account the electron beam's emittance, offset misalignment errors, energy spreads, and higher-order modes using an extended two-dimensional (2D) FEL code with two electron beams that we developed. The variation in the radiation amplitude depending on the electron beam emittance, offset misalignment errors, and energy spreads was also calculated in the case of betatron oscillations for multiparticles and multipass numbers using a new 2D code. The mode construction was studied for higher-order modes of the wiggler with and without offset misalignment errors for FEL operation with a high-quality electron beam. (C) 2015 The Japan Society of Applied Physics
机译:我们参考了在远红外和红外区域工作的拟议FEL装置,使用两个不同能量的电子束分析了自由电子激光(FEL)振荡器中的横向效应。使用扩展的二维(2D)FEL代码和两个电子束,我们研究了自由电子激光振荡器中的横向效应,其中考虑了电子束的发射率,偏移失准误差,能量扩散和高阶模。使用新的2D代码,对于多粒子和多程数的电子感应加速器振荡,还计算了取决于电子束发射率,偏移失准误差和能量扩散的辐射幅度变化。对于具有高质量电子束的FEL操作,研究了具有和不具有偏移失准误差的摆动的高阶模式的模式构造。 (C)2015年日本应用物理学会

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  • 来源
    《Japanese journal of applied physics》 |2015年第5期|056202.1-056202.5|共5页
  • 作者

    Nam Soon-Kwon;

  • 作者单位

    Kangwon Natl Univ, Dept Phys, Chunchon 200701, South Korea;

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  • 原文格式 PDF
  • 正文语种 eng
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