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Type: Artigo de periódico
Title: Time-resolved Thermal Lens Measurements Of Thermo-optical Properties Of Fluoride Glasses
Author: Lima S.M.
Sampaio J.A.
Catunda T.
Lebullenger R.
Hernandes A.C.
Baesso M.L.
Bento A.C.
Gandra F.C.G.
Abstract: We present measurements of the temperature coefficient of optical path change, ds/dT, thermal diffusivity, D, and conductivity, K, using time-resolved mode-mismatched thermal lens method for fluoride (mol%) 53ZrF 4-4.5LaF 3-3.5AlF 3-29BaF 2-10NaF (ZBLAN), fluoroaluminate 20YF 3-40AlF 3-20CaF 2-20BaF 2 (YABC) and fluoroindates 20GaF 3-15InF 3-20CaF 2-15ZnF 2-30PbF 2 (PGIZCa), 6GaF 3-34InF 3-20SrF 2-16BaF 2-20ZnF 2-4NaF (ISZn), 2GdF 3-40InF 3-20SrF 2-16BaF 2-20ZnF 2-2%NaF (InSBZnGdN). All the samples were crystal free, as verified by X-ray diffraction (XRD), and were at least 3 mm thick. The ds/dT of our samples was negative, the thermal diffusivity, D, was found to vary between 2.5 and 3.3×10 -3 cm 2/s, and the thermal conductivity, K, varied between 7.4 and 10.3×10 -3 W/K cm.
Editor: Elsevier Science Publishers B.V., Amsterdam, Netherlands
Rights: fechado
Identifier DOI: 10.1016/S0022-3093(99)00489-5
Date Issue: 1999
Appears in Collections:Unicamp - Artigos e Outros Documentos

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