| 双介质片平面波导契伦科夫自由电子激光 |
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| 引用本文： | 王清源,寻培珏.双介质片平面波导契伦科夫自由电子激光[J].强激光与粒子束,1991,3(2):185-190. |
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| 作者姓名： | 王清源 寻培珏 |
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| 作者单位： | 电子科技大学 成都
(王清源，寻培珏)，电子科技大学 成都(刘盛纲) |
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| 摘 要： | 给出双介质片平面波导契伦科夫自由电子激光波导模式的色散关系,求出器件的单程增益并证明存在一组新的波导模式__奇模。讨论了器件的工作频率和单程增益随介质片厚度、电子束能量和电子束通道宽度的变化关系。还研究了这组奇模对器件的影响。
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| 关 键 词： | 自由电子激光 平面波导 双介质片 |
CERENKOV FREE-ELECTRON LASER WITH A PLANAR DIELECTRIC WAVEGUIDE |
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| Wang Qingyuan,Xun Peijue,and Liu Shenggang.CERENKOV FREE-ELECTRON LASER WITH A PLANAR DIELECTRIC WAVEGUIDE[J].High Power Laser and Particle Beams,1991,3(2):185-190. |
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| Authors: | Wang Qingyuan Xun Peijue and Liu Shenggang |
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| Abstract: | The dispersion relations of a planar dielectric waveguide used in Cerenkov free-electron lasers are derived out and the existence of a group of odd modes, which can be simultaneously excited with the previously considered even modes, is reported. Discussion on the dependence of the radiation frequency and single-pass gain on the system parameters, the dielectric thickness, the beam energy and the beam channel width, is presented and the effects of the odd modes on the Cerenkov free-electron laser operation are investigated. |
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| Keywords: | Cerenkov free electron laser odd mode even mode planar dielectric waveguide single-pass gain |
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