Axial fabrication of optical fibers

Details Axial fabrication of optical fibers Axial fabrication of optical fibers

1975-10-23

1976-06-29

Lindsay, Jr., Robert L.

Glass manufacturing

Processes

Forming product or preform from molten glass

65 3A, 65 13, 65 18, 65 30R, 65DIG7, C03B 3702

Patent

active

039664465

ABSTRACT:
An improved technique for producing optical fibers is disclosed. In this technique the optical fiber preform is fabricated by axial deposition from a direction along the preform axis as opposed to radial deposition from a direction perpendicular to the preform axis. The instant technique does not require a cylindrical mandrel and, consequently, the technique does not require removal of a mandrel and the collapse of a non-solid preform prior to drawing. In addition to these advantages, the technique may be used to form optical fibers with highly resolved longitudinal gradations in index of refraction. The resolution of such gradations when formed using the instant technique is limited only by the deposition rate and the ability to rapidly alter the concentration of the material being deposited.

REFERENCES:
patent: 3642521 (1972-02-01), Moltzan
patent: 3737292 (1973-06-01), Keck et al.
patent: 3823995 (1974-07-01), Carpenter
patent: 3826560 (1974-07-01), Schultz
patent: 3859073 (1975-01-01), Schultz
patent: 3868170 (1975-02-01), DeLuca

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