In this work the thermal lens spectrometry (TLS) in function of the temperature was applied in TeO/sub 2/-Li/sub 2/O (TL) and TeO/sub 2/-Li/sub 2/O-TiO/sub 2/ (TLT) tellurite glasses in order to determine their thermo-optical properties. By fitting the thermal lens transient signal the parameter /spl theta/ can be obtained, which is proportional to (-P/sub abs/ds/dT) and is related to the thermal lens signal amplitude, where P/sub abs/ is the absorbed power. The ds/dT signal inversion related in this work is the first experimental observation of this phenomenon.


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    Titel :

    Temperature dependence of the thermo-optical properties in fragile tellurite glasses


    Beteiligte:
    Falco, W.F. (Autor:in) / Bannwart, E.S. (Autor:in) / Andrade, L.H.C. (Autor:in) / Lima, S.M. (Autor:in) / Falcao, E.A. (Autor:in) / Steimacher, A. (Autor:in) / Medina, A.N. (Autor:in) / Baesso, M.L. (Autor:in) / de Oliveira, R.C. (Autor:in) / Moraes, J.C.S. (Autor:in) ... [mehr]


    Erscheinungsdatum :

    01.01.2005


    Format / Umfang :

    320098 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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