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dc.contributor.authorLozano, W.-
dc.contributor.authorde Araujo, C. B.-
dc.contributor.authorAcioli, L. H.-
dc.contributor.authorMessaddeq, Younes-
dc.identifier.citationJournal of Applied Physics. Woodbury: Amer Inst Physics, v. 84, n. 4, p. 2263-2267, 1998.-
dc.description.abstractWe report the observation of negative nonlinear absorption in fluoroindate glasses doped with erbium ions. The pumping wavelength is 800 nm which is doubly resonant with Er3+ ions transitions. A large nonlinear intensity dependence of the optical transmittance and strong upconverted fluorescence are obtained. The dependence of the upconverted fluorescence intensity with the laser power is described by a system of coupled-rate equations for the energy levels' populations. (C) 1998 American Institute of Physics. [S0021-8979(98)07816-5].en
dc.publisherAmerican Institute of Physics (AIP)-
dc.sourceWeb of Science-
dc.titleNegative nonlinear absorption in Er3+-doped fluoroindate glassen
dc.contributor.institutionUniversidade Federal de Pernambuco (UFPE)-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.description.affiliationUniv Fed Pernambuco, Dept Fis, BR-50670901 Recife, PE, Brazil-
dc.description.affiliationUNESP, Inst Quim, BR-14800900 Araraquara, SP, Brazil-
dc.description.affiliationUnespUNESP, Inst Quim, BR-14800900 Araraquara, SP, Brazil-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofJournal of Applied Physics-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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