升级的合肥光源闭轨测量系统及其应用
Upgraded closed orbit distortion system and its application in Hefei light source
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摘要: 描述了合肥同步辐射光源二期工程中，电子储存环升级的闭轨测量系统及其在设备研制中的应用。介绍了性能稳定可靠的Bergoz束流位置监测电子学信号处理器。升级后的闭轨测量系统中处理电子学电路的束流位置分辨率可达1μm，系统误差小于10μm。整个测试系统的分辨率小于3μm。利用该高精度闭轨测量系统和基于束流准直系统完成了束流准直四极铁磁中心的测量，并和控制系统完成了储存环全环闭轨反馈校正试验。一个完整的束流位置监测系统已投入了在线运行，保障了为用户提供高稳定高品质的光源。Abstract: The paper presents an upgraded close orbit distortion(COD) system and its application in phase II project of HLS, and introduces Bergoz's modules for COD signal process. The upgraded COD system, with resolution of processing electronics circuit up to 1μm and repetition error of system not greater than 10μm, is operated in routine. The measurement of dispersion validated the reliability of upgraded COD system. We have completed to position the beam in the magnetic center of a quadrupole using the high precision COD system and the beam based alignment system. We have accomplished global close orbit correction system and its application on line. The improved beam quality can provide a stable light source for users.
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