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|a 10.1107/S1600577524006684
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|a pubmed24n1524.xml
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|a eng
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|a Zhen, Xiangjun
|e verfasserin
|4 aut
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|a The soft X-ray spectromicroscopy beamline BL08U1A upgrade at SSRF
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|c 2024
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|a Text
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 05.09.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a open access.
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|a Beamline BL08U1A is a soft X-ray spectromicroscopy beamline at Shanghai Synchrotron Radiation Facility (SSRF) that exhibits the capabilities of high spatial resolution (30 nm) and high energy resolving power (over 104). As a first-generation beamline of SSRF, owing to its continuous operation over the last ten years, an urgent upgrade of the equipment including the monochromator was deemed necessary. The upgrade work included the overall construction of the monochromator and replacement of the mirrors upstream and downstream of the monochromator. Based on its original skeleton, two elliptically cylinder mirrors were designed to focus the beam horizontally, which can increase the flux density by about three times on the exit slits. Meanwhile, the application of variable-line-space gratings in the monochromator demonstrates the dual functions of dispersing and focusing on the exit slits which can decrease abberations dramatically. After the upgrade of the main components of the beamline, the energy range is 180-2000 eV, the energy resolving power reaches 16333 244 eV and 12730 @ 401 eV, and the photon flux measured in the experimental station is over 2.45 × 109 photons s-1 (E/ΔE = 6440 @ 244 eV)
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|a Journal Article
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|a elliptical polarization undulator
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|a energy resolution
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|a photon flux
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|a variable-line-space plane grating
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|a Guo, Zhi
|e verfasserin
|4 aut
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|a Zhang, Zengyan
|e verfasserin
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|a Wang, Yong
|e verfasserin
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|a Tai, Renzhong
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of synchrotron radiation
|d 1994
|g 31(2024), Pt 5 vom: 01. Sept., Seite 1393-1400
|w (DE-627)NLM09824129X
|x 1600-5775
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|g volume:31
|g year:2024
|g number:Pt 5
|g day:01
|g month:09
|g pages:1393-1400
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|u http://dx.doi.org/10.1107/S1600577524006684
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