上海软X射线自由电子激光装置SASE光束线的设计与首轮调试结果
Design and first-round commissioning result of the SASE beamline at the Shanghai Soft X-ray FEL facility.
作者信息
Xue Chaofan, Guo Zhi, Liu Haigang, Chen Jiahua, Tong Yajun, Fan Jiadong, Jiang Huaidong, Liu Zhi, Zhang Ximing, Tai Renzhong
机构信息
Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201210, People's Republic of China.
ShanghaiTech University, Shanghai 201210, People's Republic of China.
出版信息
J Synchrotron Radiat. 2024 Jan 1;31(Pt 1):177-185. doi: 10.1107/S1600577523009438.
The Shanghai Soft X-ray Free-Electron Laser (SXFEL) is the first X-ray free-electron laser facility in China. The SASE beamline, which consists of a pink-beam branch and a mono-beam branch, is one of the two beamlines in the Phase-I construction. The pink-beam branch opened for users in 2023 after successful first-round beamline commissioning. In this paper, the design of the beamline is presented and the performance of the pink-beam branch is reported. The measured energy-resolving power of the online spectrometer is over 6000 @ 400 eV. The focusing spot size of the pink beam is less than 3 µm in both the horizontal and vertical at the endstation.
上海软X射线自由电子激光装置（SXFEL）是中国首个X射线自由电子激光设施。自放大自发辐射（SASE）光束线由一条粉红光束分支和一条单色光束分支组成，是一期建设中的两条光束线之一。粉红光束分支在首轮光束线调试成功后于2023年向用户开放。本文介绍了该光束线的设计，并报告了粉红光束分支的性能。在线光谱仪测得的能量分辨能力在400 eV时超过6000。在实验终端，粉红光束在水平和垂直方向的聚焦光斑尺寸均小于3 µm。
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