Optical fiber fabrication process

Details Optical fiber fabrication process Optical fiber fabrication process

1979-10-01

1981-03-24

Lindsay, Jr., Robert L.

Glass manufacturing

Processes

Forming product or preform from molten glass

65 2, 65 13, 65 18, 65 60D, C03C 2502, C03B 3702

Patent

active

042577977

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.

REFERENCES:
patent: 3775075 (1973-11-01), Keck et al.
patent: 3778132 (1973-12-01), Pinnow et al.
patent: 3826560 (1974-07-01), Schultz
patent: 4045198 (1977-08-01), Rau
patent: 4145456 (1979-03-01), Kuppers et al.

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