FREMGANGSMÅDE TIL FREMSTILLING AF EN OPTISK FIBERPRÆFORM OG EN OPTISK FIBER

A method of producing an optical fiber preform includes an alkali-metal-doped silica glass body forming step of forming an alkali-metal-doped silica glass body doped with an alkali metal, a silica glass body forming step of forming a silica glass body to be at least a portion of a core portion aroun...

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Bibliographic Details
Main Authors AISO, Keiichi, GONDA, Tomohiro
Format Patent
LanguageDanish
Published 10.05.2021
Subjects
CHEMISTRY
GLASS
MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
METALLURGY
MINERAL OR SLAG WOOL
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Summary:A method of producing an optical fiber preform includes an alkali-metal-doped silica glass body forming step of forming an alkali-metal-doped silica glass body doped with an alkali metal, a silica glass body forming step of forming a silica glass body to be at least a portion of a core portion around the alkali-metal-doped silica glass body such that the silica glass body contacts the alkali-metal-doped silica glass body, and a diffusing step of diffusing the alkali metal from the alkali-metal-doped silica glass body to the silica glass body by a heat treatment.
Bibliography:Application Number: DK20150828941T