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Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/4548
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dc.contributor.authorManaa, H.-
dc.contributor.authorTuhl, A.-
dc.contributor.authorSamuel, J.-
dc.contributor.authorAL-Mulla, A.-
dc.contributor.authorAL-Awadi, N.A.-
dc.contributor.authorMakhseed, S.-
dc.date.accessioned2012-05-29T09:24:52Z-
dc.date.available2012-05-29T09:24:52Z-
dc.date.issued2011-01-
dc.identifier.citationOptics Communications, 2011, Vol.284, p450en
dc.identifier.issn0030-4018-
dc.identifier.urihttp://hdl.handle.net/2289/4548-
dc.descriptionRestricted Access. An open-access version is available at arXiv.org (one of the alternative locations)en
dc.description.abstractPhotophysical and nonlinear optical properties of zinc phthalocyanines (ZnPc) bearing peripheral phenoxy substituents containing different functionalized groups were studied. Fluorescence spectra corresponding to the optical transition S1 → S0 are found to be appeared at 684 or 686.4 nm. Z-scan technique reveals large nonlinearities, where the absorptive and refractive effects are separately evaluated. Saturation absorption of ZnPc-1 was observed at 632.8 nm, with a very large nonlinear absorption coefficient β = -1.36 × 10-2 cm/W. However a strong nonlinear refractive effect was found in all ZnPcs (1-4). Transmitted versus incident irradiance measurements carried out on ZnPc-1 and ZnPc-2, showed a very clear optical limiting behavior with irradiance thresholds around be 44 W/cm2 and 90 W/cm2 respectively.en
dc.language.isoenen
dc.publisherElsevieren
dc.relation.urihttp://dx.doi.org/ 10.1016/j.optcom.2010.09.018en
dc.relation.urihttp://adsabs.harvard.edu/abs/2011OptCo.284..450Men
dc.rights2011, Elsevieren
dc.titlePhotophysical and nonlinear optical properties of zincphthalocyanines with peripheral substitutionsen
dc.typeArticleen
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