Method and apparatus for fabricating optical fibers

Details Method and apparatus for fabricating optical fibers Method and apparatus for fabricating optical fibers

1981-07-20

1983-10-04

Fisher, Richard V.

Glass manufacturing

Processes

Forming product or preform from molten glass

65 312, 65 13, 65152, C03B 2000, C03B 37025

Patent

active

044076673

ABSTRACT:
For continuous manufacture of optical fibers, bars of homogeneous silica-base material are welded in end to end relation. A silica cladding containing a proportion of index varying dopant which varies as the diameter of the cladding increases is progressively applied on a bar at a time to form successive preforms and the welded preforms are drawn out into fibers.

REFERENCES:
patent: 2992517 (1961-07-01), Hicks, Jr.
patent: 3055050 (1962-09-01), Schuller et al.
patent: 3737292 (1973-06-01), Keck et al.
patent: 3907536 (1975-09-01), Achener
patent: 3932160 (1976-01-01), Camlibel et al.
patent: 4265649 (1981-05-01), Achener
patent: 4298366 (1981-11-01), Dabby et al.
patent: 4310339 (1982-01-01), Blankenship

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