Measurements of source emittance and beam coherence properties of the upgraded Advanced Photon Source Article Swipe
Xianbo Shi
,
Yu-Chung Lin
,
Jiyong Zhao
,
T. S. Toellner
,
Michael Y. Hu
,
Sönke Seifert
,
Byeongdu Lee
,
Walan Grizolli
,
Michael Wojcik
,
Luca Rebuffi
,
Lahsen Assoufid
,
V. Sajaev
·
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.1107/s160057752500579x
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.1107/s160057752500579x
The Advanced Photon Source (APS) has been upgraded with a multi-bend achromat lattice, achieving significantly reduced electron beam emittance and enhanced X-ray coherence. Precise characterization of these properties is essential for optimizing beamline performance and enabling new experiments that take full advantage of the upgraded source. We report on measurements of source size and transverse coherence properties using grating interferometry at two beamlines: the APS 3-ID-B undulator beamline and the 1-BM-B bending magnet beamline. The results confirm the world-record horizontal emittance of the upgraded APS below 30 pm rad and validate the theoretical design parameters. We further investigate the impact of optical aberrations and mechanical vibrations at the 12-ID-C beamline on coherence preservation. These measurements establish a benchmark for future beamline enhancements and demonstrate the effectiveness of grating interferometry for high-precision beam characterization. Our findings provide critical insights into synchrotron beam dynamics, coherence degradation mechanisms, and strategies for optimizing beamline X-ray optics at next-generation light sources.
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Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1107/s160057752500579x
- https://journals.iucr.org/s/issues/2025/05/00/mo5307/mo5307.pdf
- OA Status
- gold
- Cited By
- 1
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4413257346
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4413257346Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.1107/s160057752500579xDigital Object Identifier
- Title
-
Measurements of source emittance and beam coherence properties of the upgraded Advanced Photon SourceWork title
- Type
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articleOpenAlex work type
- Language
-
enPrimary language
- Publication year
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2025Year of publication
- Publication date
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2025-07-25Full publication date if available
- Authors
-
Xianbo Shi, Yu-Chung Lin, Jiyong Zhao, T. S. Toellner, Michael Y. Hu, Sönke Seifert, Byeongdu Lee, Walan Grizolli, Michael Wojcik, Luca Rebuffi, Lahsen Assoufid, V. SajaevList of authors in order
- Landing page
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https://doi.org/10.1107/s160057752500579xPublisher landing page
- PDF URL
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https://journals.iucr.org/s/issues/2025/05/00/mo5307/mo5307.pdfDirect link to full text PDF
- Open access
-
YesWhether a free full text is available
- OA status
-
goldOpen access status per OpenAlex
- OA URL
-
https://journals.iucr.org/s/issues/2025/05/00/mo5307/mo5307.pdfDirect OA link when available
- Concepts
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Beamline, Undulator, Thermal emittance, Optics, Advanced Photon Source, Physics, Wiggler, Synchrotron, Coherence (philosophical gambling strategy), Monochromator, Synchrotron radiation, Beam (structure), Cathode ray, Electron, Nuclear physics, Wavelength, Quantum mechanicsTop concepts (fields/topics) attached by OpenAlex
- Cited by
-
1Total citation count in OpenAlex
- Citations by year (recent)
-
2025: 1Per-year citation counts (last 5 years)
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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