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

Müller, L. ; Hartmann, G. ; Schleitzer, S. ; Berntsen, M. H. ; Walther, M. ; Rysov, R. ; Roseker, W. ; Scholz, F. ; Seltmann, J. and Glaser, L. , et al. (2018) In Review of Scientific Instruments 89(3).
Abstract

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... (More)

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.

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organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Review of Scientific Instruments
volume
89
issue
3
article number
036103
publisher
American Institute of Physics (AIP)
external identifiers
  • pmid:29604789
  • scopus:85043352072
ISSN
0034-6748
DOI
10.1063/1.5018396
language
English
LU publication?
yes
id
28e7254f-706d-4622-a194-428bbd10689a
date added to LUP
2018-03-20 13:06:25
date last changed
2023-01-07 05:18:37
@article{28e7254f-706d-4622-a194-428bbd10689a,
  abstract     = {{<p>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 L<sub>3</sub>-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.</p>}},
  author       = {{Müller, L. and Hartmann, G. and Schleitzer, S. and Berntsen, M. H. and Walther, M. and Rysov, R. and Roseker, W. and Scholz, F. and Seltmann, J. and Glaser, L. and Viefhaus, J. and Mertens, K. and Bagschik, K. and Frömter, R. and De Fanis, A. and Shevchuk, I. and Medjanik, K. and Öhrwall, G. and Oepen, H. P. and Martins, M. and Meyer, M. and Grübel, G.}},
  issn         = {{0034-6748}},
  language     = {{eng}},
  month        = {{03}},
  number       = {{3}},
  publisher    = {{American Institute of Physics (AIP)}},
  series       = {{Review of Scientific Instruments}},
  title        = {{Note : Soft X-ray transmission polarizer based on ferromagnetic thin films}},
  url          = {{http://dx.doi.org/10.1063/1.5018396}},
  doi          = {{10.1063/1.5018396}},
  volume       = {{89}},
  year         = {{2018}},
}