FREMGANGSMAADE TIL FREMSTILLING AF ET GLASRAAEMNE TIL OPTISKE FIBRE

A glass preform for an optical fiber having homogeneous distribution of bulk density in its radial direction is produced by a method comprising forming fine glass particles by jetting a gaseous glass material and a fuel gas from a burner, depositing the fine glass particles on a seed rod to form a s...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MIZUTANI, FUTOSHI, TANAKA, GOTARO
Format:	Patent
Sprache:	dan
Schlagworte:	CHEMISTRY GLASS MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES METALLURGY MINERAL OR SLAG WOOL OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS
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Beschreibung
Zusammenfassung:	A glass preform for an optical fiber having homogeneous distribution of bulk density in its radial direction is produced by a method comprising forming fine glass particles by jetting a gaseous glass material and a fuel gas from a burner, depositing the fine glass particles on a seed rod to form a soot rod with measuring a temperature of a part of the soot rod on which the glass particles are being deposited so as to control said temperature, and then sintering the soot rod to obtain a transparent glass preform.