Method of making optical waveguides

Details Method of making optical waveguides Method of making optical waveguides

1978-02-13

1978-11-14

Lindsay, Jr., Robert L.

Glass manufacturing

Processes

Forming product or preform from molten glass

65 13, 65 18, 65 30R, 65 32, 65DIG7, C03B 3702

Patent

active

041253884

ABSTRACT:
A method of making low loss glass optical waveguides, wherein at least one coating of glass soot is deposited by the flame hydrolysis process on a starting member. The starting member is removed from the coating material or glass soot preform leaving an aperture therein, and a tube is secured to one end of the preform. While the preform is heated to its consolidation termperature, an atmosphere including a drying agent flows from the tube into the aperture and through the porous preform, thereby removing water from the preform while the soot is consolidated to form a dense glass article. The tube can be removed, and the resultant dense glass article can be drawn into an optical waveguide fiber.

REFERENCES:
patent: 2316900 (1943-04-01), Taylor
patent: 3993454 (1976-01-01), De Luca

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