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dc.contributor.authorXie, Guohua
dc.contributor.authorChen, Mingzhou
dc.contributor.authorMazilu, Michael
dc.contributor.authorZhang, Shuyu
dc.contributor.authorBansal, Ashu Kumar
dc.contributor.authorDholakia, Kishan
dc.contributor.authorSamuel, Ifor David William
dc.date.accessioned2016-02-10T16:10:04Z
dc.date.available2016-02-10T16:10:04Z
dc.date.issued2016-01
dc.identifier.citationXie , G , Chen , M , Mazilu , M , Zhang , S , Bansal , A K , Dholakia , K & Samuel , I D W 2016 , ' Measuring and structuring the spatial coherence length of organic light-emitting diodes ' , Laser & Photonics Reviews , vol. 10 , no. 1 , pp. 82-90 . https://doi.org/10.1002/lpor.201500065en
dc.identifier.issn1863-8880
dc.identifier.otherPURE: 231526910
dc.identifier.otherPURE UUID: b79009e3-9d16-4c8e-87f0-327d1fdb165b
dc.identifier.otherScopus: 84954116639
dc.identifier.otherORCID: /0000-0002-6190-5167/work/47136389
dc.identifier.otherWOS: 000368257200004
dc.identifier.urihttp://hdl.handle.net/10023/8194
dc.descriptionThis work was supported by the Engineering and Physical Science Research Council (EPSRC) grants “Challenging the limits of photonics: structured light” EP/J01771X and “Ultra-parallel visible light communications” EP/K00042X. IDWS and KD also acknowledge Royal Society Wolfson Research Merit awards.en
dc.description.abstractThe spatial coherence of organic light-emitting diodes (OLEDs) is an important parameter that has gained little attention to date. Here we present a method for making quantitative measurements of the spatial coherence of OLEDs using a Young’s double-slit experiment. The usefulness of the method is demonstrated by making measurements on a range of OLEDs with different emitters (iridium and europium complexes) and architectures (bottom- and top-emitting) and the fringe visibility is further manipulated by gratings embedded in external diffractive optical elements. Based on the experiments and simulation of the results, we quantitatively determine the spatial coherence lengths of several OLEDs and find them to be a few micrometers. A 60% increase in the spatial coherence length was observed when using a narrow bandwidth emitter and a metal-coated grating.
dc.language.isoeng
dc.relation.ispartofLaser & Photonics Reviewsen
dc.rights© 2015 The Authors. Laser & Photonics Reviews published by WILEY-VCH Verlag GmbH & Co. KGaA Weinheim. This is an open access article under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits use, distribution and reproduction in any medium, provided the original work is properly cited.en
dc.subjectOLEDen
dc.subjectDouble-slit experimenten
dc.subjectSpatial coherence lengthen
dc.subjectDiffractive optical elementen
dc.subjectQB Astronomyen
dc.subjectQC Physicsen
dc.subjectDASen
dc.subject.lccQBen
dc.subject.lccQCen
dc.titleMeasuring and structuring the spatial coherence length of organic light-emitting diodesen
dc.typeJournal articleen
dc.description.versionPublisher PDFen
dc.contributor.institutionUniversity of St Andrews.School of Physics and Astronomyen
dc.contributor.institutionUniversity of St Andrews.Condensed Matter Physicsen
dc.contributor.institutionUniversity of St Andrews.Biomedical Sciences Research Complexen
dc.identifier.doihttps://doi.org/10.1002/lpor.201500065
dc.description.statusPeer revieweden


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