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Institut f. Physik FG Nanostrukturierte Materialien
Martin-Luther-Universitat Halle-Wittenberg
Von-Danckelmann-Platz 3, D-06120 Halle, Germany
Tel.: +49 345 55 25321
Fax.: +49 345 55 27034
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H.-R. Höche, M. Kolbe, Ch. Eisenschmidt Change of the X-ray polarisation state by diffraction Cryst. Res. Technol. 37, 7 (2015-02-25 07:49:54), 665 - 675
An introduction to polarisation phenomena observed at X-ray diffraction is given. Using an arrangement being analogous to optics of visible light, the polarisation state of the diffracted beam has been investigated using quarter wave plates. Depolarisation phenomena at the excitation of a non-coplanar many-beam geometry are shown for lithium fluoride samples. The results are explained in terms of incoherent diffraction, as known from light optics. Keywords: synchrotron radiation, X-ray, polarisation
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