Please use this identifier to cite or link to this item: http://idr.nitk.ac.in/jspui/handle/123456789/11777
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dc.contributor.authorKamath, L.
dc.contributor.authorManjunatha, K.B.
dc.contributor.authorShettigar, S.
dc.contributor.authorUmesh, G.
dc.contributor.authorNarayana, B.
dc.contributor.authorSamshuddin, S.
dc.contributor.authorSarojini, B.K.
dc.date.accessioned2020-03-31T08:35:35Z-
dc.date.available2020-03-31T08:35:35Z-
dc.date.issued2014
dc.identifier.citationOptics and Laser Technology, 2014, Vol.56, , pp.425-429en_US
dc.identifier.urihttp://idr.nitk.ac.in/jspui/handle/123456789/11777-
dc.description.abstractA series of new chalcones containing terphenyl as a core and with different functional groups has been successfully synthesized by Claisen-Schmidt condensation method in search of new nonlinear optical (NLO) materials. Molecular structural characterization for the compounds was achieved by FTIR and single crystal X-ray diffraction. The third-order NLO absorption and refraction coefficients were simultaneously determined by Z-scan technique. The measurements were performed at 532 nm with 7 ns laser pulses using a Nd:YAG laser in solution form. The Z-scan experiments reveal that the compounds exhibit strong nonlinear refraction coefficient of the order 10-11 esu and the molecular two photon absorption cross section is 10-46 cm 4 s/photon. The results also show that the structures of the compounds have great impact on NLO properties. The compounds show optical power limiting behavior due to two-photon absorption (TPA). 2013 Elsevier Ltd.en_US
dc.titleInvestigation of third-order nonlinear and optical power limiting properties of terphenyl derivativesen_US
dc.typeArticleen_US
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