Process for the production of a glass fiber light waveguide

Details Process for the production of a glass fiber light waveguide Process for the production of a glass fiber light waveguide

1980-02-06

1981-11-24

Fisher, Richard V.

Glass manufacturing

Processes

Forming product or preform from molten glass

65 608, 427163, 427231, C03B 3700, C03C 1702

Patent

active

043022324

ABSTRACT:
A chemical vapor deposition process characterized by depositing a layer of glass on an interior surface of a tube with each cycle for depositing a layer comprising depositing a glass forming substance on the interior surface and subsequently converting the layer as the tube is rotated and between each cycle for each additional layer either changing the direction of rotation of the tube or the initial starting position for starting the transformation and maintaining an increased gas pressure within the tube during the entire forming step. In addition, when the tube is collapsed or formed into a rod so that an optical fiber can be drawn from an end thereof, the gas pressure is also maintained in the uncollapsed portion of the tube.

REFERENCES:
patent: 3574033 (1971-04-01), Kolkman et al.
patent: 4154591 (1979-05-01), French et al.
patent: 4165224 (1979-08-01), Irven et al.
Geittner et al., "Low-Loss Optical Fibers Prepared by Plasma-Activated CVD", Applied Physics Letter, vol. 28, No. 11, Jun. 1, 1976, pp. 645-646.

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