Aligned plug optical fiber connector with "contiguous" plugs, an

Details Aligned plug optical fiber connector with "contiguous" plugs, an Aligned plug optical fiber connector with "contiguous" plugs, an

1985-11-06

1987-09-08

LaRoche, Eugene R.

350 9620, G02B 638

Patent

active

046919864

ABSTRACT:
In a plug-type optical fiber connector low loss can be achieved, without any active alignment of the fiber cores, if the two cylindrical plugs used in the connector are "contiguous" plugs, i.e., derived from contiguous segments of the tubular stock from which the plugs are produced, and if the plugs are arranged such that the "contiguous" ends of the plugs are the mating ends, and such that the rotational relationship between the plugs is substantially the one that existed prior to sectioning. The inventive connector comprises two contiguous plugs and includes features that permit identification of the contiguous ends and of the rotational relationship. In a preferred embodiment, the tubular stock is drawn glass stock, the two contiguous segments are left joined but scored circumferentially to permit easy separation in the field, with a longitudinal groove in the outer cylinder surface of the contiguous segments identifying the original rotational relationship. The plugs are to be inserted into an alignment sleeve, or into, e.g., three-rod alignment means. Disclosed is also a novel corrugated tube alignment sleeve that has general applicability in plug and sleeve-type connectors.

REFERENCES:
patent: 4178067 (1979-12-01), Johnson et al.
patent: 4353620 (1982-10-01), Schultz
patent: 4593971 (1986-06-01), Clement et al.
Proceedings of the Optical Fiber Conference, Los Angeles, Sep. 1982, pp. 165-170.

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