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A sagittally confined high-resolution spectrometer in the `water window'.

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  • Author(s): Li Z;Li Z; Li B; Li B
  • Source:
    Journal of synchrotron radiation [J Synchrotron Radiat] 2018 May 01; Vol. 25 (Pt 3), pp. 738-747. Date of Electronic Publication: 2018 Apr 25.
  • Publication Type:
    Journal Article
  • Language:
    English
  • Additional Information
    • Source:
      Publisher: Wiley Online Library Country of Publication: United States NLM ID: 9888878 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1600-5775 (Electronic) Linking ISSN: 09090495 NLM ISO Abbreviation: J Synchrotron Radiat Subsets: PubMed not MEDLINE
    • Publication Information:
      Publication: [Malden, MA] : Wiley Online Library
      Original Publication: Copenhagen : Wiley-Blackwell Munksgaard, c1994-
    • Abstract:
      The authors report a novel scheme for a grazing-incidence spectrometer forming an excellent meridional flat field in its detector domain to deliver the desired spectral resolution throughout the full designated spectral range, while reducing the sagittal astigmatism substantially to enhance the spectral intensity. The optical properties of the system are thoroughly investigated and optimized, and the detector plane is fitted well to the meridional or sagittal focal curves. The authors demonstrated that a resolving power of 6000-18000 could be achieved within the `water window' (2-5 nm) for an effective meridional source size of 200 µm (r.m.s.), and it would be further improved to 20000-40000 if the source size was confined to 50 µm (r.m.s.).
      (open access.)
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    • Grant Information:
      Y326021061 Youth 1000-Talent Program in China; 11475249 National Natural Science Foundation of China
    • Contributed Indexing:
      Keywords: X-ray spectrometers; diffraction principle; geometric optics; optical aberration analysis and optimization; ray tracing; water window
    • Publication Date:
      Date Created: 20180502 Latest Revision: 20231112
    • Publication Date:
      20260130
    • Accession Number:
      PMC5929356
    • Accession Number:
      10.1107/S160057751800468X
    • Accession Number:
      29714183