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上海光源BL19U-canted光束线布局及运行

Layout and operation of the undulator canted beamlines on BL19U at SSRF
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摘要 上海光源在BL19U波荡器直线节首次建成了canted光束线。由于canted双线的水平夹角仅为6 mrad,在束线光学元件的空间布局上非常紧张。顺序错开放置、共用真空腔体以及采用偏转镜是canted光束线布局的主要方式。本文主要讨论了上海光源canted光束线在白光狭缝、单色器以及偏转镜等关键部件进行束线布局时的设计方案和指标。BL19U-canted光束线机械系统自2015年初开放运行以来,已经稳定运行超过6 000 h。 Background: BL19U canted beamlines whose light sources were located at the same straight section in the storage ring were built at Shanghai Synchrotron Radiation Facility (SSRF) as the first canted beamlines. Purpose: The space is very limited for the layout of canted beamline components, because the horizontal angle between the two beamlines is only 6 mrad. Methods: In order to achieve the layout for canted beamlines, it is essential to put the key components in succession, share the same chamber and set reflecting mirrors on the beamlines. Complicated layout and detailed specifications for the key components on canted beamlines are presented and discussed. Results & Conclusion: They have been operated more than 6 000 h without any mechanical failure since the beginning of 2015.
作者 秦宏亮 赵雁 王楠 祝万钱 徐中民 QIN Hongliang ,ZHAO Yan ,WANG Nan ,ZHU Wanqian, XU Zhongmin (Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Zhangjiang Campus, Shanghai 201204, China)
出处 《核技术》 CAS CSCD 北大核心 2016年第11期1-6,共6页 Nuclear Techniques
基金 中国科学院上海应用物理研究所青年学者发展协作组(No.Y329051061)资助
关键词 同步辐射 canted光束线 束线布局 Key words Synchrotron radiation, canted bearnlines, Beamline layout
作者简介 秦宏亮,男,1981年出生,2009年于中国科学院高能物理研究所获硕士学位,研究领域为同步辐射光束线技术 通信作者:祝万钱,E-mail:zhuwanqian@sinap.ac.cn
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