NUCLEAR TECHNIQUES, Volume. 48, Issue 3, 030101(2025)
Rapid data acquisition and processing system for microsecond time-resolved ED-XAS
Figures & Tables(9)
Fig. 2. Photograph of the 2θ arm experimental system of D-Line ED-XAS branch
Fig. 4. Architecture of rapid data acquisition and processing system
Fig. 5. The I1 2D picture of Fe foil and the transverse integration plot of the Gaussian fit
Fig. 6. Main interface of the fast data acquisition and processing system
Fig. 7. The sequence of Cu foil K-edge ED-XAS spectra obtained by the system and DCM (color online)
Table 1. Performance parameters of the D-Line ED-XAS branch
View tableView in ArticleTable 1. Performance parameters of the D-Line ED-XAS branch
能量范围Energy range / keV 光斑尺寸Spot size / µm2 样品处通量Flux at the sample 能量分辨Energy resolution 时间分辨Time resolution / μs 4.96~25.5 3.6×21.6 2.5×1012 phs/s∙300 eV BW@7.2 keV 优于2×10-4@CuK吸收边Better than 2×10-4@ CuK-edge ~25
Table 2. The time required for the system to process the data and acquire the XAFS spectrum depending on the number of images collected (time to remove the data collected by the detector)
View tableView in ArticleTable 2. The time required for the system to process the data and acquire the XAFS spectrum depending on the number of images collected (time to remove the data collected by the detector)
采集张数The number of images collected 处理速度Processing speed / s 10 0.57 50 1.74 100 3.01 200 3.13 500 3.47 1 000 7.14
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Chenxiao WU, Zhen LIU, Xiangjun WEI, Yong JIANG, Lihua WANG, Fang WANG, Chunwang MA. Rapid data acquisition and processing system for microsecond time-resolved ED-XAS[J]. NUCLEAR TECHNIQUES, 2025, 48(3): 030101
Paper Information
Category: SYNCHROTRON RADIATION TECHNOLOGY AND APPLICATIONS
Received: Oct. 28, 2024
Accepted: --
Published Online: Apr. 15, 2025
The Author Email: Zhen LIU (刘震), Xiangjun WEI (魏向军), Chunwang MA (马春旺)
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