Method of manufacturing an optical fiber

Details Method of manufacturing an optical fiber Method of manufacturing an optical fiber

1979-05-04

1981-02-10

Lindsay, Jr., Robert L.

Glass manufacturing

Processes

Forming product or preform from molten glass

65 13, 65 18, 65 60D, C03C 2502

Patent

active

042499259

ABSTRACT:
A method of manufacturing an optical fiber having no defect in the refraction index profile comprising manufacturing a bare fiber by heating and extending a core starting material and forming a cladding layer on said core to produce a double-layer of the core and cladding with different refraction indices. Fine granules of oxide for the glass cladding can be formed by vapor deposition on the bare fiber, and these can be fused to form the cladding by heating. Another method for forming the cladding layer is to pass the bare fiber for the core through a fine hole provided at the bottom of a crucible in which the glass for the cladding is contained in liquid form.

REFERENCES:
patent: 3209641 (1965-10-01), Upton
patent: 4118212 (1978-10-01), Aulich et al.
patent: 4126436 (1978-11-01), Bailey

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