Optical fiber coupler

Details Optical fiber coupler Optical fiber coupler

1993-05-28

1994-07-12

Gonzalez, Frank

Optical waveguides

With optical coupler

Particular coupling structure

385 51, 385 96, G72B 626

Patent

active

053296028

ABSTRACT:
An improvement is proposed for decreasing the variation in the coupling ratio of an optical fiber coupler after a heat shock test. In an optical fiber coupler which is an elongated intergral body formed by fusing a plural number of optical fibers side-by-side consisting of two straightly columnar parts and a biconical part therebetween formed by drawing and adhesively bonded to a reinforcing base with a coating layer of an adhesive therebetween, the improvement can be achieved by limiting the zone where the coating layer of an adhesive to the surface of each of the straightly columnar parts within a range from the boundary between the straightly columnar part and the biconical part to a point 8 mm apart from the boundary.

REFERENCES:
patent: 5208883 (1993-05-01), Hattori et al.

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