Please use this identifier to cite or link to this item: https://idr.l2.nitk.ac.in/jspui/handle/123456789/12261
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dc.contributor.authorPoornesh, P.-
dc.contributor.authorHegde, P.K.-
dc.contributor.authorUmesh, G.-
dc.contributor.authorManjunatha, M.G.-
dc.contributor.authorManjunatha, K.B.-
dc.contributor.authorAdhikari, A.V.-
dc.date.accessioned2020-03-31T08:38:53Z-
dc.date.available2020-03-31T08:38:53Z-
dc.date.issued2010-
dc.identifier.citationOptics and Laser Technology, 2010, Vol.42, 1, pp.230-236en_US
dc.identifier.urihttp://idr.nitk.ac.in/jspui/handle/123456789/12261-
dc.description.abstractAn experimental investigation of the third-order nonlinear optical properties of new poly{2-{5-[3,4-ditetradecyloxy-5-(1,3,4-oxadiazol-2-yl)thiophen-2-yl]-1,3,4-oxadiazol-2-yl}pyridine} (P) in tetrahydrofuran (THF) solution and in solid poly(methylmethacrylate) (PMMA) matrix, by Z-scan technique is reported. The Z-scan traces reveal that the composite films exhibit large negative nonlinear refractive index of the order 10-10 esu. The excited-state absorption cross-section was found to be larger than the ground-state absorption indicating that the operating nonlinear process is reverse saturable absorption (RSA). The new polymer P exhibits good optical power limiting properties in the nanosecond regime in solution and as well in solid PMMA matrix. 2009 Elsevier Ltd. All rights reserved.en_US
dc.titleNonlinear optical and optical power limiting studies on a new thiophene-based conjugated polymer in solution and solid PMMA matrixen_US
dc.typeArticleen_US
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