| X波段介质和金属膜片混合加载行波加速结构的传播特性计算及模型腔的有关研究 |
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| 引用本文： | 吴丛凤,董赛,林辉,裴元吉.X波段介质和金属膜片混合加载行波加速结构的传播特性计算及模型腔的有关研究[J].中国物理 C,2006,30(Z1):57-59. |
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| 作者姓名： | 吴丛凤 董赛 林辉 裴元吉 |
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| 作者单位： | 中国科学技术大学国家同步辐射实验室，中国科学技术大学国家同步辐射实验室，中国科学技术大学国家同步辐射实验室，中国科学技术大学国家同步辐射实验室 合肥 230029，合肥 230029，合肥 230029，合肥 230029 |
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| 基金项目： | 中国科学院资助项目
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中国科学院知识创新工程项目 |
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| 摘 要： | 计算了X波段(f=9.37GHz)介质和金属膜片混合加载行波加速结构的TM01模和HEM11模的色散曲线, 结果表明HEM11模的截止频率比TM01模的低, 说明与盘荷波导相比, 该种新加速结构单束团的BBU效应得到改善.实验研究优选得到了适用于该种新加速结构的介质(εr=5.812). 采用MAFIA程序优化设计了模型腔, 测试频率与设计的数值吻合得很好.
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| 关 键 词： | 介质和金属膜片混合加载 高梯度 介电常数 |
| 收稿时间： | 2005-12-7 |
Calculations of Propagation Characteristics and the Model Cavity Investigations for a X-Band Hybrid Dielectric-Iris-Loaded Traveling Accelerating Structure |
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| WU Cong-Feng,DONG Sai,LIN Hui,PEI Yuan-Ji.Calculations of Propagation Characteristics and the Model Cavity Investigations for a X-Band Hybrid Dielectric-Iris-Loaded Traveling Accelerating Structure[J].High Energy Physics and Nuclear Physics,2006,30(Z1):57-59. |
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| Authors: | WU Cong-Feng DONG Sai LIN Hui PEI Yuan-Ji |
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| Abstract: | The dispersion curves of the TM01 and HEM11 modes for the X-band hybrid dielectric-iris-loaded travelling accelerating structure have been calculated. The results show that the cutoff frequency and the propagation constant of HEM11 mode are lower than those of the TM01 mode. We have found that the certain dielectric available with permittivity of 5.81 is applied to the design of the new accelerating structure. The MAFIA code has been used to optimize the model cavities, and the measurements indicate that the resonance frequency is consistent with the design frequency. |
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| Keywords: | hybrid dielectric-iris-loaded travelling accelerating structure high gradient permittivity |
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