Means for in-line connection of optical fiber pairs

Details Means for in-line connection of optical fiber pairs Means for in-line connection of optical fiber pairs

1977-12-20

1979-07-31

Hille, Rolf G.

G02B 514

Patent

active

041628217

ABSTRACT:
A connector means for connecting together two optical fibers whose ends have been stripped of optical cladding to expose the cores. The connector comprises means for gripping the fibers at unstripped sections thereof with a predetermined length of fiber extending from datum or reference surfaces on the connector such that the ends of the stripped fibers face each other and are spaced apart a very short distance of the order of not more than one and one-half times the core diameter. The connector further comprises a pair of elastomeric elements each with grooves of semi-cylindrical cross-section formed therein that fit together to form a cylindrical bore which retains the stripped ends of the two fibers. Because the diameter of the cylindrical bore is less than the diameter of either core retained therein, the resilient walls of the cylindrical bore will give way and will thereby force the ends of the two cores into substantial concentric alignment. The elastomeric elements must be made of a material having an index of refraction which is less than that of the cores and preferably is equal to that of the optical cladding.

REFERENCES:
patent: 3870395 (1975-03-01), Schicketanz
patent: 3904269 (1975-09-01), Lebduska et al.
patent: 3963323 (1976-06-01), Arnold
patent: 3995935 (1976-12-01), McCartney
patent: 4088386 (1978-05-01), Hawk
C. G. Someda "Simple, Low-Loss Joints Between Single-Mode Optical Fibers" Bell Sys. Tech. Journal, vol. 52, No. 4, Apr. 1973, pp. 583-596.

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