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Title: High precision measurement of undulator polarization in the regime of hard x-rays

Journal Article · · Applied Physics Letters
DOI:https://doi.org/10.1063/1.4890584· OSTI ID:22311112
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  1. Institut für Optik und Quantenelektronik, Friedrich-Schiller-Universität Jena, Max-Wien-Platz 1, D-07743 Jena (Germany)
  2. Deutsches Elektronen-Synchrotron DESY, Notkestr. 85, D-22607 Hamburg (Germany)
  3. Helmholtz-Institut Jena, Fröbelstieg 3, D-07743 Jena (Germany)

We have measured the polarization purity of undulator radiation at 12.9 keV, with hitherto unachievable precision. We could measure a polarization purity of 1.8 × 10{sup −4} by using a silicon channel-cut crystal with six Bragg reflections at 45° as analyzer.

OSTI ID:
22311112
Journal Information:
Applied Physics Letters, Vol. 105, Issue 2; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); ISSN 0003-6951
Country of Publication:
United States
Language:
English