Glass fibres and optical communication

Glass manufacturing – Processes – Forming product or preform from molten glass

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65 182, 65900, C03C 2502

Patent

active

046750380

ABSTRACT:
An improved method of manufacturing an optical fibre by vapor phase deposition of layers of cladding and core material for an optical fibre on the inside of a tubular substrate, followed by heating of the tube to cause it to collapse into a preform and drawing of the preform to form the fibre, includes performing the collapse with the introduction of chlorine gas acting as a drying agent. An alternative to chlorine gas is a vapor which decomposes in situ to yield chlorine without producing a solid deposit.

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