| 周期性介质切伦柯夫脉塞的粒子模拟 |
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| 引用本文： | 李悦宝,祝大军,刘盛纲.周期性介质切伦柯夫脉塞的粒子模拟[J].电子科技大学学报（自然科学版）,2008,37(5):730. |
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| 作者姓名： | 李悦宝 祝大军 刘盛纲 |
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| 作者单位： | 1.电子科技大学物理电子学院 成都 610054 |
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| 摘 要： | 通过对周期性介质切伦柯夫脉塞的分析,采用等效电容的方法将周期性介质等效为均匀的各向异性介质,从而推导出了注波互作用色散方程,并进行了数值模拟。研究发现微波频率和输出功率随着介质膜片宽度的变化而变化,通过调整周期中介质所占的比例(即相当于调整纵向介电常数和横向介电常数)来调整输出频率和功率,从而使研制出高频率微波器件成为可能。
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| 关 键 词： | 色散方程 等效介电常数 环形电子注 粒子模拟 |
| 收稿时间： | 2007-05-09 |
PIC Simulation of Periodic Dielectric Cerenkov Maser |
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| LI Yue-bao,ZHU Da-jun,LIU Sheng-gang.PIC Simulation of Periodic Dielectric Cerenkov Maser[J].Journal of University of Electronic Science and Technology of China,2008,37(5):730. |
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| Authors: | LI Yue-bao ZHU Da-jun LIU Sheng-gang |
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| Affiliation: | 1.School of Physical Electronics,University of Electronic Science and Technology of China Chengdu 610054 |
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| Abstract: | According to the analysis of periodic dielectric Cerenkov maser, by using of equivalence theory, periodic dielectric cerenkov maser is considered as uniform anisotropic dielectric. the dispersion equation of periodic dielectric cerenkov maser are derived. Through the way of particle-in-cell (PIC) simulation, we can see that the output power and output frequency will be changed corresponding to the εz and εr (same as to adjust the percentage of dielectric area). So it is possible to achieve high frequency microwave output by adjusting the width of dielectric film. |
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