| 波荡器位相误差及垫补计算 |
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| 引用本文： | 贾启卡.波荡器位相误差及垫补计算[J].强激光与粒子束,1998,10(4):523-526. |
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| 作者姓名： | 贾启卡 |
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| 作者单位： | 中国科技大学, 国家同步辐射实验室, 合肥,230029 |
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| 基金项目： | 国家863激光技术领域基金 |
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| 摘 要： | 给出了波荡器位相误差的函数式, 可由磁场峰值分布直接计算波荡器位相均方根误差。给出了波荡器垫补修正场的简单解析计算式, 可根据垫片的位置、大小、厚度、磁极间隙等参数直接计算出对磁场及位相的修正 。
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| 关 键 词： | 波荡器 位相误差 磁场垫补 |
| 收稿时间： | 1900-01-01; |
UNDULATOR PHASE DEVIATION AND SHIMMING COMPUTATION |
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| Jia Qika National Synchrotron Radiation Laboratory,University of Science and Technology of China,Hefei,China.UNDULATOR PHASE DEVIATION AND SHIMMING COMPUTATION[J].High Power Laser and Particle Beams,1998,10(4):523-526. |
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| Authors: | Jia Qika National Synchrotron Radiation Laboratory University of Science and Technology of China Hefei China |
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| Institution: | National Synchrotron Radiation Laboratory,University of Science and Technology of China, Hefei, 230029, China |
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| Abstract: | Undulator rms phase error is expressed as function of the magnet peak field distribution. It can be used as the objective function for practical undulator performance optimization. An simple analytical computation formula is given for field signature of the shims to predict the field and phase perturbation according the shim position, size, thickness and magnet gap. |
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| Keywords: | undulator phase error magnetic field shimming |
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