Directing glass forming constituents against a lateral surface p

Details Directing glass forming constituents against a lateral surface p Directing glass forming constituents against a lateral surface p

1977-10-07

1980-05-27

Lindsay, Jr., Robert L.

Glass manufacturing

Processes

Forming product or preform from molten glass

65 2, 65 18, 65 60D, 65120, C03B 3700

Patent

active

042048516

ABSTRACT:
A hydrolyzing flame technique is used to build up glass soots of at least two different compositions upon a rotating starting member. The process is repeated until the soots define at least one helically-oriented body of soot of one composition completely enveloped by a soot of a second composition. The soot-covered starting member is then subjected to heat to fuse it whereupon the soots are fused into compositions exhibiting different indices of refraction. The member can then be drawn into a elongate structure comprising an optical waveguide extending helically through the body of the structure.

REFERENCES:
patent: 3806570 (1974-04-01), Flamenbaum et al.
patent: 3823995 (1974-07-01), Carpenter
patent: 3957474 (1976-05-01), Kobayashi et al.
patent: 4017288 (1977-04-01), French et al.
patent: 4062665 (1977-12-01), Izawa et al.

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