| 合肥光源200MeV直线加速器束流位置检测器的计算 |
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| 引用本文： | 郑普,孙葆根,卢平,王筠华,王琳,冯光耀,李吉浩,曹涌.合肥光源200MeV直线加速器束流位置检测器的计算[J].强激光与粒子束,2003,15(8):821-824. |
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| 作者姓名： | 郑普 孙葆根 卢平 王筠华 王琳 冯光耀 李吉浩 曹涌 |
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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， 安徽 合肥 230029 |
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| 基金项目： | 高水平大学建设重点科研项目资助课题(KY2901)，国家863计划项目基金资助课题 |
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| 摘 要： | 采用Oprea程序对合肥光源200MeV直线加速器束流位置检测器(BPM)的电磁场进行了计算，由2 D的静电场来模拟计算BPM的特性阻抗和耦合系数，采用2 D的静磁场来模拟计算其位置灵敏线性曲线。由此，进行了直线加速器束流位置检测器的优化设计，得到了4个60°电极的位置检测器。它具有非常好的线性，在位置上具有足够大的信号强度，并且较好地满足了直线加速器的几何与机械要求。
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| 关 键 词： | 位置检测器 特性阻抗 耦合系数 灵敏度 |
| 文章编号： | 1001-4322(2003)08-0821-04 |
| 收稿时间： | 2002/10/30 |
| 修稿时间： | 2002年10月30 |
Calculation of beam position mornitor for 200MeV LINAC of Hefei light source |
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| luo gen xin,meng fen xia,tong chang jiang,wang jian guo.Calculation of beam position mornitor for 200MeV LINAC of Hefei light source[J].High Power Laser and Particle Beams,2003,15(8):821-824. |
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| Authors: | luo gen xin meng fen xia tong chang jiang wang jian guo |
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| Institution: | 1. The First Engineers Scientific Research Institute of the General Department of Armaments, Wuxi 214035, China;2. Northwest Institute of Nuclear Technology，P.O.Box 69 15, Xi''an 710024, China;3. Xi''an University of Electronic Science and Technology, Xi''an 710071, China |
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| Abstract: | In this paper,the electromagnet field of beam position mornitor for 200 MeV LINAC of Hefei Light Source is calculated by program Oprea,2-D electrostatic field computation is used to calculate the characteristic impedance and coupling coefficient,2-D magnetstatic field computations is used to calculate the sensitivity linearity curve of beam position.The optimizing design of beam position mornitor for LINAC has been done,and the design with 4 one-end-shorted 60-degree electrodes is chosen.It provides a very good linearity and sufficient signal power for position measurements,while satisfying the geometrical constrains and mechanical requirements for LINAC. |
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| Keywords: | Beam position mornitor Characteristic impedance Coupling coefficient Sensitivity |
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