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Type: Artigo de periódico
Title: Thermo-optical Properties Of Oh-free Erbium-doped Low Silica Calcium Aluminosilicate Glasses Measured By Thermal Lens Technique
Author: Sampaio J.A.
Catunda T.
Gama S.
Baesso M.L.
Abstract: Thermal lens spectrometry (TLS) of thermo-optical properties of low silica content calcium aluminosilicate glasses (27.1 Al2O3, 58.1 CaO, 7.9 SiO2 and 6.9 MgO in mol%) was performed. The thermal diffusivity was 5.7 × 10-3 cm2/s for undoped sample and 4.7 × 10-3 cm2/s for 1.48 mol% Er2O3-doped one. The ds/dT for undoped samples was 8.6 ± 0.1 × 10-6 K-1. The thermal conductivity was around 14 mW/cm K with some dependence on Er2O3 concentration. The fraction of the absorbed energy converted into heat by Er2O3-doped samples was about 60%. © 2001 Elsevier Science B.V.
Rights: fechado
Identifier DOI: 10.1016/S0022-3093(01)00404-5
Date Issue: 2001
Appears in Collections:Unicamp - Artigos e Outros Documentos

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