Monolithic optical waveguide having a plurality of cores

Details Monolithic optical waveguide having a plurality of cores Monolithic optical waveguide having a plurality of cores

1979-02-21

1980-10-14

Levy, Stewart J.

65 3A, 350 9629, 350 9630, G02B 514

Patent

active

042277710

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: 3976356 (1976-08-01), Jenkins
patent: 4099835 (1978-07-01), French et al.

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