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Experimental control system of the X‐ray magnetic circular dichroism endstation at Hefei Light Source‐II.

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Title: Experimental control system of the X‐ray magnetic circular dichroism endstation at Hefei Light Source‐II.
Authors: Kong, Anbo1 (AUTHOR), Chen, Liuguo1 (AUTHOR) chenliuguo@ustc.edu.cn, Chen, Kai1 (AUTHOR), Zhang, DaDi1 (AUTHOR), Sun, Xiaokang1 (AUTHOR), Liu, Gongfa1 (AUTHOR)
Source: Journal of Synchrotron Radiation. Mar2026, Vol. 33 Issue 2, p351-361. 11p.
Subjects: Scanning systems, Software frameworks, Magnetic circular dichroism, Noise control, Acquisition of data, Data acquisition systems, Synchrotron radiation
Abstract: The Hefei Light Source‐II (HLS‐II) facility is undergoing upgrades to its beamline and endstation to enhance its synchrotron radiation capabilities. For the X‐ray Magnetic Circular Dichroism endstation, an experimental control system leveraging Bluesky and Experimental Physics and Industrial Control System has been developed. This control system implements three distinct scan modes: step scan, fly scan and soft fly scan. The system architecture employs Queue Server for automated experiment orchestration and Ophyd based device abstraction, enabling seamless adaptation across multiple HLS‐II beamlines. During software development, three key system features are included: (1) a simulation debugging environment combining a virtual server platform, virtual devices and virtual input/output controllers for closed‐loop testing; (2) unified control interfaces through component abstraction; and (3) real‐time data acquisition with noise‐reduction methods. The implemented soft fly scan mode demonstrates particular advantages in experiments, achieving a tenfold reduction in measurement duration while maintaining signal‐to‐noise ratio levels comparable to conventional step scan, significantly enhancing both experimental efficiency and data quality for the user. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Synchrotron Radiation is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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DbLabel: Engineering Source
An: 192092531
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  Label: Title
  Group: Ti
  Data: Experimental control system of the X‐ray magnetic circular dichroism endstation at Hefei Light Source‐II.
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  Data: <searchLink fieldCode="AR" term="%22Kong%2C+Anbo%22">Kong, Anbo</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chen%2C+Liuguo%22">Chen, Liuguo</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> chenliuguo@ustc.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Chen%2C+Kai%22">Chen, Kai</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+DaDi%22">Zhang, DaDi</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sun%2C+Xiaokang%22">Sun, Xiaokang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liu%2C+Gongfa%22">Liu, Gongfa</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Synchrotron+Radiation%22">Journal of Synchrotron Radiation</searchLink>. Mar2026, Vol. 33 Issue 2, p351-361. 11p.
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22Scanning+systems%22">Scanning systems</searchLink><br /><searchLink fieldCode="DE" term="%22Software+frameworks%22">Software frameworks</searchLink><br /><searchLink fieldCode="DE" term="%22Magnetic+circular+dichroism%22">Magnetic circular dichroism</searchLink><br /><searchLink fieldCode="DE" term="%22Noise+control%22">Noise control</searchLink><br /><searchLink fieldCode="DE" term="%22Acquisition+of+data%22">Acquisition of data</searchLink><br /><searchLink fieldCode="DE" term="%22Data+acquisition+systems%22">Data acquisition systems</searchLink><br /><searchLink fieldCode="DE" term="%22Synchrotron+radiation%22">Synchrotron radiation</searchLink>
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  Label: Abstract
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  Data: The Hefei Light Source‐II (HLS‐II) facility is undergoing upgrades to its beamline and endstation to enhance its synchrotron radiation capabilities. For the X‐ray Magnetic Circular Dichroism endstation, an experimental control system leveraging Bluesky and Experimental Physics and Industrial Control System has been developed. This control system implements three distinct scan modes: step scan, fly scan and soft fly scan. The system architecture employs Queue Server for automated experiment orchestration and Ophyd based device abstraction, enabling seamless adaptation across multiple HLS‐II beamlines. During software development, three key system features are included: (1) a simulation debugging environment combining a virtual server platform, virtual devices and virtual input/output controllers for closed‐loop testing; (2) unified control interfaces through component abstraction; and (3) real‐time data acquisition with noise‐reduction methods. The implemented soft fly scan mode demonstrates particular advantages in experiments, achieving a tenfold reduction in measurement duration while maintaining signal‐to‐noise ratio levels comparable to conventional step scan, significantly enhancing both experimental efficiency and data quality for the user. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Synchrotron Radiation is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1107/S160057752501135X
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      – Code: eng
        Text: English
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        PageCount: 11
        StartPage: 351
    Subjects:
      – SubjectFull: Scanning systems
        Type: general
      – SubjectFull: Software frameworks
        Type: general
      – SubjectFull: Magnetic circular dichroism
        Type: general
      – SubjectFull: Noise control
        Type: general
      – SubjectFull: Acquisition of data
        Type: general
      – SubjectFull: Data acquisition systems
        Type: general
      – SubjectFull: Synchrotron radiation
        Type: general
    Titles:
      – TitleFull: Experimental control system of the X‐ray magnetic circular dichroism endstation at Hefei Light Source‐II.
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          Name:
            NameFull: Kong, Anbo
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            NameFull: Chen, Liuguo
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            NameFull: Chen, Kai
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            NameFull: Zhang, DaDi
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            NameFull: Sun, Xiaokang
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            NameFull: Liu, Gongfa
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          Dates:
            – D: 01
              M: 03
              Text: Mar2026
              Type: published
              Y: 2026
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              Value: 09090495
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              Value: 33
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              Value: 2
          Titles:
            – TitleFull: Journal of Synchrotron Radiation
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