Method of manufacturing an optical fibre
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United States of America Patent
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Jun 14, 1994
Grant Date -
N/A
app pub date -
Aug 28, 1992
filing date -
Sep 3, 1991
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Abstract
An optical fibre is manufactured by stretching a rod-shaped initial preform, after which a cladding tube is melted on the initial preform and the final preform thus obtained is drawn into an optical fibre. A narrow and hot softening zone is used to stretch the initial preform, which softening zone is obtained, for example, by means of a plasma torch 2. By virtue thereof, the stretching process can be controlled in a rapid and simple manner.
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