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合肥光源超导扭摆磁铁模式下线性光学参数补偿
引用本文:王琳,徐宏亮,李为民,冯光耀,张善才,张赫,刘祖平.合肥光源超导扭摆磁铁模式下线性光学参数补偿[J].原子能科学技术,2006,40(4):501-507.
作者姓名:王琳  徐宏亮  李为民  冯光耀  张善才  张赫  刘祖平
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
基金项目:国家自然科学基金资助项目(10205014),中国科学知识创新工程资助项目(KY4206)
摘    要:合肥光源是1台专用真空紫外光源,为拓展同步辐射用户可用光范围,在储存环上安装了1台6T的超导扭摆磁铁。超导扭摆磁铁给储存环光学参数带来很大扰动,造成工作点漂移和β函数畸变。最初,在补偿工作点漂移后,成功地存储了束流并产生了硬X射线,但该运行模式下束流寿命短,严重影响其它实验线站的实验工作。在合肥光源二期工程中,重新进行了超导扭摆磁铁补偿计算,在不改变目前储存环磁铁和电源的基础上,同时补偿工作点漂移和β函数畸变,大幅度地改善了束流寿命。

关 键 词:超导扭摆磁铁    工作点漂移    β函数畸变    束流寿命
文章编号:1000-6931(2006)04-0503-05
收稿时间:2004-10-19
修稿时间:2004-10-192005-05-13

Compensation of Linear Optical Parameters With Superconducting Wiggler Magnet in Hefei Light Source
WANG Lin, XU Hong-liang, LI Wei-min, FENG Guang-yao, ZHANG Shan-cai, ZHANG He, LIU Zu-ping.Compensation of Linear Optical Parameters With Superconducting Wiggler Magnet in Hefei Light Source[J].Atomic Energy Science and Technology,2006,40(4):501-507.
Authors:WANG Lin  XU Hong-liang  LI Wei-min  FENG Guang-yao  ZHANG Shan-cai  ZHANG He  LIU Zu-ping
Affiliation:National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, China ;
Abstract:Hefei light source(HLS) is a dedicated VUV light source. A superconducting (SC) wiggler magnet with peak magnetic field of 6 T was installed in the storage ring in order to extend usable synchrotron radiation spectrum to hard X-ray. The SC wiggler brought a large perturbation to optical parameters of the storage ring, including tune shift and β function distortion. At early days, after tune compensation with SC wiggler, beam was successfully stored with a short beam lifetime. In phase Ⅱ project of HLS, the lattice parameters were adjusted to compensate tune shift and β function distortion, then the beam lifetime was improved significantly.
Keywords:superconducting wiggler magnet  tune shift  β function distortion  beam lifetime
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