ACCELERATION OF AGING OF PHOSPHORUS-DOPED OPTICAL FIBER

PROBLEM TO BE SOLVED: To provide a process for overcoming an adverse hydrogen aging limitation caused by phosphorus and/or aluminum doping for low cost and high performance of multimode optical fiber. SOLUTION: Adverse hydrogen aging limitations in multi-element doped optical fibers are overcome by...

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Hauptverfasser:	VAIDYA DURGESH SHIVRAM, LUVALLE MICHAEL, LINGLE ROBERT JR, OULUNDSEN GEORGE E, DIGIOVANNI DAVID J
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES METALLURGY MINERAL OR SLAG WOOL OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a process for overcoming an adverse hydrogen aging limitation caused by phosphorus and/or aluminum doping for low cost and high performance of multimode optical fiber. SOLUTION: Adverse hydrogen aging limitations in multi-element doped optical fibers are overcome by passivating these optical fibers using a deuterium passivation process. This processing essentially pre-reacts glass with deuterium so that most active glass sites are no longer available to react with hydrogen in service. Optical fibers of main interest are doped with mixtures of germanium and phosphorus. Optimum passivating process conditions are described. COPYRIGHT: (C)2009,JPO&INPIT