Methods for optical fiber manufacture

Methods for optical fiber manufacture

The specification describes an improved VAD method wherein a multi-layer preform, with three or more layers of material having different refractive indices, are produced. The method involves the combination of tandem dual torch deposition, and multiple pass deposition, without consolidation between...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: BARISH ERIC L, WU FENGGING, KLEIN ALAN A
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
GLASS
MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
METALLURGY
MINERAL OR SLAG WOOL
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Beschreibung
Zusammenfassung:The specification describes an improved VAD method wherein a multi-layer preform, with three or more layers of material having different refractive indices, are produced. The method involves the combination of tandem dual torch deposition, and multiple pass deposition, without consolidation between multiple passes.