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|Type:||Artigo de periódico|
|Title:||Rayleigh Scattering In Aluminosilicate Glasses For The Fabrication Of Optical Fibres|
|Abstract:||The use of alumina as a dopant in optical fiber preforms has been studied in order to establish a range of concentrations which will produce homogeneous fibers. Preforms were prepared by a modified chemical vapor deposition method with some alterations, and the light scattering in the fibers produced was analyzed. SiO2 glasses with up to 15 mol% of Al2O3 and 2 mol% of P2O5 showed typical Rayleigh scattering, with the Rayleigh scattering coefficient increasing in proportion to the Al2O3 concentration. The use of alumina in this way did not cause significant phase separation, which could have caused attenuation at the 0.8-1.5 μm window. There was no central dip in the refractive index profile.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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