Method for splicing polarization maintaining fiber with elliptic

Details Method for splicing polarization maintaining fiber with elliptic Method for splicing polarization maintaining fiber with elliptic

1994-04-29

1996-01-30

Gonzalez, Frank

Optical waveguides

With splice

Alignment of fiber ends prior to splicing

385 11, 385 96, G02B 6255

Patent

active

054886830

ABSTRACT:
The ends of a pair of polarization-maintaining optical fibers that each have an elliptical stress member in the cladding to produce stress induced birefringence are placed end-to-end with a predetermined gap between the ends of the fibers. The ends of the fibers are examined with an optical imaging apparatus whose focus is adjusted to locate an alignment band in each fiber. The position of one of the polarization-maintaining optical fibers is then adjusted until the two alignment bands are in longitudinal alignment. The fiber ends are pre annealed and then fused together by application of energy from an electric arc.

REFERENCES:
patent: 4950318 (1990-08-01), Dyott
patent: 5224188 (1993-06-01), Vali
patent: 5249247 (1993-09-01), Whitesmith

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