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Coherence evaluation and first demonstration of multi‐contrast X‐ray computed tomography on NanoTerasu BL09W with an X‐ray Talbot interferometer.

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Title: Coherence evaluation and first demonstration of multi‐contrast X‐ray computed tomography on NanoTerasu BL09W with an X‐ray Talbot interferometer.
Authors: Ueda, Ryosuke1 (AUTHOR) ryosuke.ueda.a7@tohoku.ac.jp, Liang, Xiaoyu2 (AUTHOR), Kamezawa, Chika2 (AUTHOR), Sumiishi, Hiroki3 (AUTHOR), Bishago, Yui3 (AUTHOR), Nishio, Takeyasu3 (AUTHOR), Yoshida, Junya1 (AUTHOR), Daimon, Masaharu4 (AUTHOR), Hiramoto, Shozo4 (AUTHOR), Voegeli, Wolfgang5 (AUTHOR), Shirasawa, Tetsuroh6 (AUTHOR), Vagovič, Patrik7,8 (AUTHOR), Yamane, Hiroyuki4 (AUTHOR), Nakamura, Tetsuya1,4 (AUTHOR), Yashiro, Wataru1,2,3,9 (AUTHOR) wataru.yashiro.a2@tohoku.ac.jp
Source: Journal of Synchrotron Radiation. Mar2026, Vol. 33 Issue 2, p481-488. 8p.
Subjects: X-ray imaging, Interferometers, Diffraction patterns, Coherence (Physics), Tohoku University, Synchrotron radiation sources, Computed tomography
Abstract: We report on the coherence evaluation of the beamline BL09W at NanoTerasu (Tohoku University, Japan) and demonstrate X‐ray multi‐contrast imaging using an X‐ray Talbot interferometer. Fringe visibility was measured in both the horizontal and vertical directions and analyzed to estimate the effective source size of the X‐ray beam. The estimated source size in the horizontal direction was consistent with the design specification, confirming the validity of the measurements. In the vertical direction, the high visibility, exceeding 70%, indicates the remarkably high spatial coherence of the source. Multi‐contrast computed tomography was successfully performed, simultaneously reconstructing absorption, phase and small‐angle scattering contrasts. These results establish BL09W as a versatile beamline for coherence‐based X‐ray imaging. [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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  Label: Title
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  Data: Coherence evaluation and first demonstration of multi‐contrast X‐ray computed tomography on NanoTerasu BL09W with an X‐ray Talbot interferometer.
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Synchrotron+Radiation%22">Journal of Synchrotron Radiation</searchLink>. Mar2026, Vol. 33 Issue 2, p481-488. 8p.
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  Label: Abstract
  Group: Ab
  Data: We report on the coherence evaluation of the beamline BL09W at NanoTerasu (Tohoku University, Japan) and demonstrate X‐ray multi‐contrast imaging using an X‐ray Talbot interferometer. Fringe visibility was measured in both the horizontal and vertical directions and analyzed to estimate the effective source size of the X‐ray beam. The estimated source size in the horizontal direction was consistent with the design specification, confirming the validity of the measurements. In the vertical direction, the high visibility, exceeding 70%, indicates the remarkably high spatial coherence of the source. Multi‐contrast computed tomography was successfully performed, simultaneously reconstructing absorption, phase and small‐angle scattering contrasts. These results establish BL09W as a versatile beamline for coherence‐based X‐ray imaging. [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/S1600577526000512
    Languages:
      – Code: eng
        Text: English
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      Pagination:
        PageCount: 8
        StartPage: 481
    Subjects:
      – SubjectFull: X-ray imaging
        Type: general
      – SubjectFull: Interferometers
        Type: general
      – SubjectFull: Diffraction patterns
        Type: general
      – SubjectFull: Coherence (Physics)
        Type: general
      – SubjectFull: Tohoku University
        Type: general
      – SubjectFull: Synchrotron radiation sources
        Type: general
      – SubjectFull: Computed tomography
        Type: general
    Titles:
      – TitleFull: Coherence evaluation and first demonstration of multi‐contrast X‐ray computed tomography on NanoTerasu BL09W with an X‐ray Talbot interferometer.
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              M: 03
              Text: Mar2026
              Type: published
              Y: 2026
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