Guide-connector assembly for joining optical fibers and method o

Details Guide-connector assembly for joining optical fibers and method o Guide-connector assembly for joining optical fibers and method o

1978-12-08

1980-03-11

Hille, Rolf G.

G02B 514

Patent

active

041925750

ABSTRACT:
A guide member and an assembly of a guide member and connector for making an optical signal transmissive connection between the ends of a pair of single optic fibers and the method of making the guide member. The guide member is in the form of at least three predetermined length glass rods disposed in a side-by-side array and connected together along peripheral portions to form a smooth, cusp-shaped interstitial channel therebetween. The ends of the guide member's channel are open and preferably are of greater cross-sectional area than the intermediate portion of the channel to facilitate entry of an optic fiber into the channel. The guide member is disposed within a cavity in the connector. The connector is formed of a pair of mating connector members. Each member includes a first and second end with a passageway extending longitudinally therebetween and through which a respective fiber passes entering the guide member. End of the passageways includes an enlarged opening adjacent to the first end and tapering downward in cross-sectional area toward the entrance to the cavity. The cross-sectional area of the passageway at the entrance to the cavity is only slightly larger than the cross-sectional area of the optic fiber to accurately position the fiber extending therethrough and into the guide member. One or both of the connection members may include an alignment aperture to provide visual access to the interior of the cavity to ensure that each fiber is extended a predetermined distance therein such that when the connection members are connected together the fiber ends abut within the guide member in a good optical signal transmissive joint.

REFERENCES:
patent: 889786 (1908-06-01), Keiner
patent: 3885859 (1975-05-01), Dalgleish
patent: 4047796 (1977-09-01), Kao et al.
patent: 4050783 (1977-09-01), Tardy
R. M. Hawk, F. Thiel, "Low Loss Splicing and Connection of Optical Waveguide Cables", SPIE vol. 63, Aug. 20, 1975, Guided Optical Communications, pp. 109-113.

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