Automatic Feedback System for X-ray Flux at BL08U1A Soft X-ray Spectromicroscopy Beamline of Shanghai Synchrotron Radiation Facility

被引：0
|
作者：
Zhang, Chi [1 ,2 ,3 ]
Liu, Haigang [1 ,2 ]
Wang, Chunpeng [1 ,2 ]
Guo, Zhi [1 ,2 ]
Zhang, Xiangzhi [1 ,2 ]
Xu, Zijian [1 ,2 ]
Zhen, Xiangjun [1 ,2 ]
Wang, Yong [1 ,2 ]
Tai, Renzhong [1 ,2 ,3 ]
机构：
[1] Chinese Acad Sci, Shanghai Adv Res Inst, Shanghai Synchrotron Radiat Facil, Shanghai 201210, Peoples R China
[2] Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201204, Peoples R China
[3] ShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai 201210, Peoples R China
来源：
APPLIED SCIENCES-BASEL | 2023年 / 13卷 / 09期
关键词：
synchrotron radiation; beamline automation; X-ray absorption spectroscopy; online feedback; COMMUNITIES; UNDULATOR;
D O I：
10.3390/app13095456
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
An online automatic feedback system has been successfully installed and commissioned at the BL08U1A Soft X-ray Spectromicroscopy Beamline of Shanghai Synchrotron Radiation Facility, which can monitor the incident X-ray beam in real time by measuring the blade-edge signals of the exit slit and automatically adjust the elliptical cylindrical mirror parameters to achieve beam calibration and maintain the optimal X-ray flux of the sample. This work provides a comprehensive description of the hardware composition, system implementation, feedback logic, function and software design, system optimization and commission, as well as the online experimental results supported by the system. The experimental results demonstrated that the online automatic feedback system is capable of effectively maintaining the optimal X-ray beam flux for X-ray absorption spectroscopy experiments. Its success can provide valuable technique assistance for the design, construction and optimization of similar systems at various beamlines in synchrotron sources in the future.
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页数：13
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