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Spatial coherence determination from the Fourier analysis of a resonant soft X-ray magnetic speckle pattern
Vise andre og tillknytning
2016 (engelsk)Inngår i: Optics Express, ISSN 1094-4087, E-ISSN 1094-4087, Vol. 24, nr 20, s. 23162-23176Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

We present a method to determine the two-dimensional spatial coherence of synchrotron radiation in the soft X-ray regime by analyzing the Fourier transform of the magnetic speckle pattern from a ferromagnetic film in a multidomain state. To corroborate the results, a Young's double-pinhole experiment has been performed. The transverse coherence lengths in vertical and horizontal direction of both approaches are in a good agreement. The method presented here is simple and gives a direct access to the coherence properties of synchrotron radiation without nanostructured test objects.

sted, utgiver, år, opplag, sider
Optical Society of America, 2016. Vol. 24, nr 20, s. 23162-23176
Emneord [en]
Critical currents, Ferromagnetic materials, Fourier analysis, Synchrotron radiation, Synchrotrons, Coherence properties, Ferromagnetic films, Magnetic speckles, Multi domains, Nano-structured, Spatial coherence, Test object, Transverse coherence, Speckle
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Identifikatorer
URN: urn:nbn:se:kth:diva-195259DOI: 10.1364/OE.24.023162ISI: 000387543000079Scopus ID: 2-s2.0-84989895771OAI: oai:DiVA.org:kth-195259DiVA, id: diva2:1046853
Forskningsfinansiär
Knut and Alice Wallenberg Foundation
Merknad

QC 20161115

Tilgjengelig fra: 2016-11-15 Laget: 2016-11-02 Sist oppdatert: 2017-11-29bibliografisk kontrollert

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