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  • Löhmann, OliverEuropean Spallation Source ESS AB,Technical University of Darmstadt (author)

Wavelength frame multiplication for reflectometry at long-pulse neutron sources

  • Article/chapterEnglish2020

Publisher, publication year, extent ...

  • AIP Publishing,2020
  • 15 s.

Numbers

  • LIBRIS-ID:oai:lup.lub.lu.se:aac07889-6ad5-4757-963b-1000279bc332
  • https://lup.lub.lu.se/record/aac07889-6ad5-4757-963b-1000279bc332URI
  • https://doi.org/10.1063/5.0014207DOI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:art swepub-publicationtype
  • Subject category:ref swepub-contenttype

Notes

  • The European Spallation Source (ESS), which is under construction in Lund (Sweden), will be the next leading neutron facility with an unprecedented brilliance and novel long-pulse time structure. A long-pulse source not only provides a high time-average flux but also opens the possibility to tune the resolution by using pulse shaping choppers. Thus, an instrument can readily be operated in either a high flux or a high resolution mode. Several of the shorter instruments at the ESS will employ Wavelength Frame Multiplication (WFM) in order to enable a sufficient resolution while offering a continuous and broad wavelength range. A test beamline was operated until the end of 2019 at the research reactor in Berlin to test components and methods, including WFM, in order to prepare the new facility for the operation of neutron instruments and successful first science. We herein demonstrate the implementation of WFM for reflectometry. By selecting a short pulse mode under the same geometrical configuration, we compare and discuss the results for two reference samples. The reported experiments not only serve to prove the reliability of the WFM approach but also, for the first time, demonstrate the full instrument control, data acquisition and data reduction chain that will be implemented at the ESS.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Silvi, LucaHelmholtz Association of German Research Centers (author)
  • Kadletz, Peter M.European Spallation Source ESS AB (author)
  • Vaytet, NeilEuropean Spallation Source ESS AB (author)
  • Arnold, OwenRutherford Appleton Laboratory,Tessella Ltd (author)
  • Jones, Matthew D.Rutherford Appleton Laboratory,Tessella Ltd (author)
  • Nilsson, JonasEuropean Spallation Source ESS AB (author)
  • Hart, MichaelRutherford Appleton Laboratory (author)
  • Richter, TobiasEuropean Spallation Source ESS AB (author)
  • Von Klitzing, RegineTechnical University of Darmstadt (author)
  • Jackson, Andrew J.Lund University,Lunds universitet,Fysikalisk kemi,Enheten för fysikalisk och teoretisk kemi,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Physical Chemistry,Physical and theoretical chemistry,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH,European Spallation Source ESS AB(Swepub:lu)fkem-ajo (author)
  • Arnold, ThomasUniversity of Bath,European Spallation Source ESS AB,Rutherford Appleton Laboratory,Diamond Light Source (author)
  • Woracek, RobinEuropean Spallation Source ESS AB (author)
  • European Spallation Source ESS ABTechnical University of Darmstadt (creator_code:org_t)

Related titles

  • In:Review of Scientific Instruments: AIP Publishing91:120034-67481089-7623

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