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Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/2109
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dc.contributor.authorJohn Kiran, A.-
dc.contributor.authorUdayakumar, D.-
dc.contributor.authorChandrasekharan, K.-
dc.contributor.authorAdhikari, A.V.-
dc.contributor.authorShashikala, H.D.-
dc.contributor.authorPhilip, Reji-
dc.date.accessioned2007-02-08T09:09:13Z-
dc.date.available2007-02-08T09:09:13Z-
dc.date.issued2007-03-01-
dc.identifier.citationOptics Communications, 2007, Vol.271, p236-240en
dc.identifier.issn0030-4018-
dc.identifier.urihttp://hdl.handle.net/2289/2109-
dc.descriptionRestricted Access.en
dc.description.abstractWe investigated the third-order nonlinear optical properties of a newly synthesized soluble copolymer containing oxadiazole and thiophene units using Z-scan and Degenerate Four Wave Mixing (DFWM) techniques. The measurements were performed at 532 nm with 7 ns pulses from a Nd:YAG laser. We found a good agreement between the values of χ(3) determined from both experiments. Z-scan results indicate a negative nonlinear refractive index, n2, whose magnitude is of the order of 10−10 esu. The copolymer exhibits strong nonlinear absorption and good optical limiting properties at 532 nm, and hence may be a potential material for optical limiting applications.en
dc.format.extent162376 bytes-
dc.format.mimetypeapplication/pdf-
dc.language.isoenen
dc.publisherElsevier B.V.en
dc.relation.urihttp://dx.doi.org/10.1016/j.optcom.2006.10.003en
dc.rights2007 Elsevier B.V.en
dc.subjectZ-scanen
dc.subjectFour wave mixingen
dc.subjectPolythiophenesen
dc.subjectOptical limitingen
dc.subjectNonlinear opticsen
dc.titleNonlinear optical studies of a newly synthesized copolymer containing oxadiazole and substituted thiophenesen
dc.typeArticleen
Appears in Collections:Research Papers (LAMP)

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