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Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/6193
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dc.contributor.authorHaripadmam, P.C.-
dc.contributor.authorJohn, Honey-
dc.contributor.authorPhilip, Reji-
dc.contributor.authorGopinath, Pramod-
dc.date.accessioned2015-03-11T08:19:27Z-
dc.date.available2015-03-11T08:19:27Z-
dc.date.issued2014-12-
dc.identifier.citationApplied Physics Letters, 2014, Vol.105, p221102en
dc.identifier.issn0003-6951-
dc.identifier.issn1077-3118(Online)-
dc.identifier.urihttp://hdl.handle.net/2289/6193-
dc.descriptionOpen Accessen
dc.description.abstractWe report an interesting switchover of optical nonlinearity from Reverse Saturable Absorption (RSA) to Saturable Absorption (SA) in polymer-Zinc Oxide (ZnO) nanotop composite films, investigated using the Z-scan technique. The nanocomposites have been prepared by in situ polymerization of the monomer in which ZnO nanotops are dispersed with the help of a dispersing agent. The films exhibit RSA for lower concentrations of ZnO nanotops, which changes to SA on increasing the loading concentration, irrespective of the monomer and dispersing agent used. These versatile films are good candidates for applications such as ultrafast optical switching and optical limiting.en
dc.language.isoenen
dc.publisherAmerican Institute of Physicsen
dc.relation.urihttp://dx.doi.org/10.1063/1.4903073en
dc.rights2014 American Institute of Physics This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.en
dc.titleSwitching of absorptive nonlinearity from reverse saturation to saturation in polymer-ZnO nanotop composite filmsen
dc.typeArticleen
Appears in Collections:Research Papers (LAMP)

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