Optical fiber fabrication process
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United States of America Patent
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Mar 24, 1981
Issued Date -
N/A
app pub date -
Oct 1, 1979
filing date -
Jan 5, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of practicing the MCVD process is disclosed. In the inventive process, the core deposition is completed prior to completion of the cladding. An intermediate preform structure with a core-to-clad ratio greater than that desired in the ultimate fiber is consequently obtained. Subsequent to internal core deposition, additional material is added externally to complete the cladding thereby yielding an optical fiber preform with the desired core-to-clad ratio.
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