Chlorine-doped optical component

Details Chlorine-doped optical component Chlorine-doped optical component

1989-12-08

1991-09-03

Lee, John D.

Optical waveguides

With optical coupler

Permanently fixed coupler

385 43, 385144, G02B 626

Patent

active

050447165

ABSTRACT:
A fiber optic coupler of the type wherein first and second single-mode optical fibers, each having a core and a cladding, are fused together along a portion of the lengths thereof to form a coupling region. The fiber diameters are smaller in the coupling region than in the remainder of the fibers. The cladding of the second fiber contains an amount of chlorine sufficient to increase the refractive index n.sub.2 ' thereof to a value greater than the refractive index n.sub.2 of the cladding of the first fiber.

REFERENCES:
patent: 4735475 (1988-04-01), Watanabe et al.
patent: 4798436 (1989-01-01), Mortimore
patent: 4822136 (1989-04-01), Hicks, Jr.
patent: 4830463 (1989-05-01), Lemaire et al.
patent: 4877300 (1989-10-01), Newhouse et al.

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