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Note : Soft X-ray transmission polarizer based on ferromagnetic thin films

Müller, L. (author)
German Electron Synchrotron (DESY),University of Hamburg
Hartmann, G. (author)
German Electron Synchrotron (DESY)
Schleitzer, S. (author)
German Electron Synchrotron (DESY)
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Berntsen, Magnus H. (author)
KTH Royal Institute of Technology,KTH,Material- och nanofysik
Walther, M. (author)
German Electron Synchrotron (DESY)
Rysov, R. (author)
German Electron Synchrotron (DESY),University of Hamburg
Roseker, W. (author)
German Electron Synchrotron (DESY)
Scholz, F. (author)
German Electron Synchrotron (DESY)
Seltmann, J. (author)
German Electron Synchrotron (DESY)
Glaser, L. (author)
German Electron Synchrotron (DESY)
Viefhaus, J. (author)
German Electron Synchrotron (DESY)
Mertens, K. (author)
University of Hamburg
Bagschik, K. (author)
Hamburg Centre for Ultrafast Imaging,University of Hamburg
Frömter, R. (author)
De Fanis, A. (author)
European XFEL GmbH
Shevchuk, I. (author)
European XFEL GmbH
Medjanik, K. (author)
Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory
Öhrwall, G. (author)
Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory
Oepen, H. P. (author)
University of Hamburg,Hamburg Centre for Ultrafast Imaging
Meyer, M. (author)
University of Hamburg,European XFEL GmbH
Meyer, M. (author)
Grübel, G. (author)
Hamburg Centre for Ultrafast Imaging,German Electron Synchrotron (DESY)
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 (creator_code:org_t)
American Institute of Physics Inc. 2018
2018
English.
In: Review of Scientific Instruments. - : American Institute of Physics Inc.. - 0034-6748 .- 1089-7623. ; 89:3
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • A transmission polarizer for producing elliptically polarized soft X-ray radiation from linearly polarized light is presented. The setup is intended for use at synchrotron and free-electron laser beamlines that do not directly offer circularly polarized light for, e.g., X-ray magnetic circular dichroism (XMCD) measurements or holographic imaging. Here, we investigate the degree of ellipticity upon transmission of linearly polarized radiation through a cobalt thin film. The experiment was performed at a photon energy resonant to the Co L3-edge, i.e., 778 eV, and the polarization of the transmitted radiation was determined using a polarization analyzer that measures the directional dependence of photo electrons emitted from a gas target. Elliptically polarized radiation can be created at any absorption edge showing the XMCD effect by using the respective magnetic element. 

Subject headings

NATURVETENSKAP  -- Fysik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences (hsv//eng)
NATURVETENSKAP  -- Fysik -- Acceleratorfysik och instrumentering (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Accelerator Physics and Instrumentation (hsv//eng)

Keyword

Dichroism
Electrons
Ferromagnetic materials
Free electron lasers
Light polarization
Optical instruments
Polarization
Thin films
Circularly polarized light
Directional dependence
Ferromagnetic thin films
Linearly polarized light
Linearly-polarized radiations
Polarization analyzers
Transmission polarizers
X-ray magnetic circular dichroism
X rays

Publication and Content Type

ref (subject category)
art (subject category)

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