Analysis of the photo-absorptive behavior of two different photosensitizers in a photopolymer material

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dc.contributor.author Liu, Shui
dc.contributor.author Gleeson, M. R.
dc.contributor.author Sheridan, John T.
dc.date.accessioned 2011-12-01T09:57:04Z
dc.date.available 2011-12-01T09:57:04Z
dc.date.copyright 2009 Optical Society of America en
dc.date.issued 2009-03-01
dc.identifier.citation Journal of the Optical Society of America B en
dc.identifier.issn 0740-3224
dc.identifier.uri http://hdl.handle.net/10197/3365
dc.description.abstract Photopolymer materials are practical materials for use as holographic recording media. To further develop such materials, a deeper understanding of the photochemical mechanisms present during the formation of holographic gratings in these materials has become ever more crucial. This is especially true of the photoinitiation process, which has already received much attention in the literature. Typically the absorption mechanism varies with exposure time. This has been previously investigated in association with several effects taking place during recording. Since holographic data storage requires multiple sequential short exposures, it is necessary to verify the temporal change in photosensitizer concentration. Postexposure effects have also been discussed in the literature, however, such studies do not include effects such as photosensitizer recovery and bleaching. We report on experimental results and theoretical analysis of the recovery and bleaching mechanisms, which arise during exposure and postexposure for two different types of photosensitizers, methylene blue and erythrosine B in a polyvinylalcohol–acrylamide based photopolymer material. en
dc.description.sponsorship Science Foundation Ireland en
dc.description.sponsorship Irish Research Council for Science, Engineering and Technology en
dc.format.extent 706528 bytes
dc.format.extent 1072 bytes
dc.format.mimetype application/pdf
dc.format.mimetype text/plain
dc.language.iso en en
dc.publisher Optical Society of America en
dc.rights This paper was published in JOSA B and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/josab/abstract.cfm?uri=josab-26-3-528. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law. en
dc.subject Photopolymer materials en
dc.subject.lcsh Photopolymers en
dc.subject.lcsh Holographic storage devices (Computer science) en
dc.subject.lcsh Holography en
dc.title Analysis of the photo-absorptive behavior of two different photosensitizers in a photopolymer material en
dc.type Journal Article en
dc.internal.availability Full text available en
dc.internal.webversions Publisher's version en
dc.internal.webversions http://dx.doi.org/10.1364/JOSAB.26.000528 en
dc.status Peer reviewed en
dc.identifier.volume 26 en
dc.identifier.issue 3 en
dc.identifier.startpage 528 en
dc.identifier.endpage 536 en
dc.identifier.doi 10.1364/JOSAB.26.000528
dc.neeo.contributor Liu|Shui|aut| en
dc.neeo.contributor Gleeson|M. R.|aut| en
dc.neeo.contributor Sheridan|John T.|aut| en
dc.description.othersponsorship SPIE (the international society for optics and photonics) en
dc.description.admin au, la, ab, jo, vo, is, st, en sp - kpw7/11/11 en


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