Performance and characterization of the FinEstBeAMS beamline at the MAX IV Laboratory

Kirill Chernenko, Antti Kivimäki, Rainer Pärna, Weimin Wang, Rami Sankari, Mats Leandersson, Hamed Tarawneh, Vladimir Pankratov, Mati Kook, Edwin Kukk, Liis Reisberg, Samuli Urpelainen, Tanel Käämbre, Frank Siewert, Grzegorz Gwalt, Andrey Sokolov, Stephanie Lemke, Svyatoslav Alimov, Jeniffa Knedel, Oliver KutzTino Seliger, Mika Valden, Mika Hirsimäki, Marco Kirm, Marko Huttula

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Abstract

FinEstBeAMS (Finnish–Estonian Beamline for Atmospheric and Materials Sciences) is a multidisciplinary beamline constructed at the 1.5 GeV storage ring of the MAX IV synchrotron facility in Lund, Sweden. The beamline covers an extremely wide photon energy range, 4.5–1300 eV, by utilizing a single elliptically polarizing undulator as a radiation source and a single grazing-incidence plane grating monochromator to disperse the radiation. At photon energies below 70 eV the beamline operation relies on the use of optical and thin-film filters to remove higher-order components from the monochromated radiation. This paper discusses the performance of the beamline, examining such characteristics as the quality of the gratings, photon energy calibration, photon energy resolution, available photon flux, polarization quality and focal spot size.
Original languageEnglish
Number of pages11
JournalJOURNAL OF SYNCHROTRON RADIATION
Volume28
Issue number5
DOIs
Publication statusPublished - 2021
Publication typeA1 Journal article-refereed

Keywords

  • MAX IV
  • photon energy resolution
  • photon flux
  • plane grating monochromator
  • beam polarization

Publication forum classification

  • Publication forum level 2

ASJC Scopus subject areas

  • Instrumentation
  • Radiation
  • Atomic and Molecular Physics, and Optics
  • Surfaces and Interfaces
  • Condensed Matter Physics

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