| 光束线光斑位置监测系统 |
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| 引用本文： | 刘斌,刘亚明,周绍祥,王秋平.光束线光斑位置监测系统[J].光子学报,2006,35(3):447-451. |
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| 作者姓名： | 刘斌 刘亚明 周绍祥 王秋平 |
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| 作者单位： | 1. 中国科学技术大学国家同步辐射实验室,合肥,230029
2. 中国科学技术大学精密机械与精密仪器系,合肥,230027 |
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| 摘 要： | 描述了基于CCD摄像的同步辐射光束线光斑位置监测系统.在光束线运行中实时监测光斑与入射狭缝的相对位置.已在国家同步辐射实验室多条光束线安装.对光斑位置及其角度监测的准确度分别达到10.53 μm、2.3 μrad，具有较高的灵敏度.在线监测到同步辐射光斑的垂直抖动0.37 mm、扭转角度83 μrad.说明此时电子束流不稳定，偏离了预计的轨道.同时，为同步辐射光束线的调试和电子束流的诊断提供了可靠的依据.
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| 关 键 词： | 光斑位置监测 光束线 同步辐射 |
| 收稿时间： | 2005-01-04 |
| 修稿时间： | 2005年1月4日 |
Photon Beam Position Monitoring System by CCD Camera |
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| Liu Bin,Liu Yaming,Zhou Shaoxiang,Wang Qiuping.Photon Beam Position Monitoring System by CCD Camera[J].Acta Photonica Sinica,2006,35(3):447-451. |
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| Authors: | Liu Bin Liu Yaming Zhou Shaoxiang Wang Qiuping |
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| Institution: | 1 National Synchrotron Radiation Laboratory University of Science and Technology of China,Hefei 230029 2 Department of Precision Machinery and Precision Instrumentation University of Science and Technology of China,Hefei 230027 |
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| Abstract: | A CCD camera system monitoring the photon beam position in synchrotron radiation beam line was described. The system provides the photon beam position related to the entrance slit during beam line operation and maintenance. Several beam lines at National Synchrotron Radiation Laboratory have been equipped with it. 10.53 μm and 2.3 μrad resolutions of the position and angle were calibrated respectively.0.37 mm vertical dithers of the photon beam center was detected,coinstantaneously,showing 8083 μradangular deviations. Meanwhile,it offers the reliable basis for beam line testing and diagnosis of the synchrotron facility. |
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| Keywords: | Photon beam position monitoring Beam line Synchrotron radiation |
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