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dc.contributor.authorS. M. Morris-
dc.contributor.authorM. M. Qasim-
dc.contributor.authorK. T. Cheng-
dc.contributor.authorF. Castles-
dc.contributor.author고두현-
dc.contributor.authorD. J. Gardiner-
dc.contributor.authorS. Nosheen-
dc.contributor.authorT. D. Wilkinson-
dc.contributor.authorH. J. Coles-
dc.contributor.authorC. Burgess-
dc.contributor.authorL. Hill-
dc.date.accessioned2015-12-03T01:03:43Z-
dc.date.available2015-12-03T01:03:43Z-
dc.date.issued201309-
dc.identifier.citationVOL 103, NO 10, 101105-1-101105-5-
dc.identifier.issn00036951-
dc.identifier.other40669-
dc.identifier.urihttp://pubs.kist.re.kr/handle/201004/46339-
dc.description.abstractWe report the demonstration of an optically activated shutter based upon a short-pitch chiral nematic liquid crystal (LC) device sandwiched between crossed polarizers. This LC is comprised of photo-active chiral dopants. In the trans-state, the LC appears dark between crossed polarizers due to the very short pitch. As the pitch is extended through exposure to ultraviolet light, the device becomes transmissive reaching a maximum for a particular value of the pitch. As a result, it is possible to switch between the light and dark states by subjecting the device to visible light so as to cause a cis-trans photo-isomerisation.-
dc.publisherApplied physics letters-
dc.subjectphoto-tunable-
dc.titleOptically activated shutter using a photo-tunable short-pitch chiral nematic liquid crystal-
dc.typeArticle-
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