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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|
|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.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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