Optical coupler and process for preparation thereof

Details Optical coupler and process for preparation thereof Optical coupler and process for preparation thereof

1989-10-24

1990-10-30

Lee, John D.

G02B 626

Patent

active

049664328

ABSTRACT:
An optical coupler comprising N number (where N stands for an integer of not less than 2) of optical fibers having one ends integrated and the other ends branched and N number of optical coupler parts, wherein the top end of each light branching-coupling optical fiber has a plane of 360.degree./N including an inclined branching fiber-abutting plane inclined at an angle .theta. to the optical fiber axis and a light-coupling plane vertical to the abutting plane, each of the optical coupler parts is constructed by inserting the light branching-coupling optical fiber in an optical fiber-retaining hole of a block having the same plane as the branching fiber-abutting plane of the optical fiber and a light-coupling plane vertical to the abutting plane, and the branching fiber-abutting planes of the optical coupler parts are engaged with each other to construct a optical coupler.

REFERENCES:
patent: 4514057 (1985-04-01), Palmer et al.
patent: 4629284 (1986-12-01), Malavieille
patent: 4720161 (1988-01-01), Malavieille
patent: 4861127 (1989-08-01), Failes
patent: 4911514 (1990-03-01), Okada et al.

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