Process for producing a low-attenuation optical fiber

A process for producing a low-attenuation optical fiber by producing a soot core preform by chemical deposition on a substrate; removing the substrate from the soot core preform, thereby forming a central hole along the soot preform; drying and consolidating the soot core preform in a consolidation...

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Bibliographic Details
Main Authors ANTONIO ADIGRAT, VALERIA CARONNA, GIUSEPPE FERRI, FRANCO COCCHINI, STEFANO GRIECO
Format Patent
LanguageEnglish
Published 14.10.2010
Subjects
CHEMISTRY
GLASS
MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
METALLURGY
MINERAL OR SLAG WOOL
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Summary:A process for producing a low-attenuation optical fiber by producing a soot core preform by chemical deposition on a substrate; removing the substrate from the soot core preform, thereby forming a central hole along the soot preform; drying and consolidating the soot core preform in a consolidation furnace to form a glass core preform; heating the glass preform in the consolidation furnace above a glass melting temperature to produce a reduction of the diameter of the central hole; and stretching the glass core preform to completely close the central hole.
Bibliography:Application Number: AU20030304659