Method of producing optical fibers with noncircular core
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United States of America Patent
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Apr 26, 1988
Grant Date -
N/A
app pub date -
Oct 23, 1986
filing date -
Oct 29, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of making optical performs from which optical fibers are drawn after collapsing of the preform, which comprises depositing by a vapor-phase reaction a plurality of layers on the inner surface of a support tube and controlling the temperature profile around the perimeter of the support so that the thickness of the deposit varies between at least one maximum and at least one minimum. Upon collapse of the support this gives rise to a core having a noncircular cross section.
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