Method of fusion-splicing optical fiber

Details Method of fusion-splicing optical fiber Method of fusion-splicing optical fiber

1996-01-22

1997-04-22

Palmer, Phan T. H.

Optical waveguides

With splice

385 96, 385 97, G02B 638

Patent

active

056235704

ABSTRACT:
The disclosed method of fusion splicing silica-based optical fiber comprises removing of the polymer coating from the end portions of the respective fibers by contacting the end portions with a chemical polymer remover (e.q., hot sulfuric acid with 5% nitric acid) such that a film of material that comprises the remover remains on the stripped fiber. Typically this is accomplished by refraining from the conventional rinsing of the stripped fiber portions. The film-covered stripped fibers are then fusion spliced in conventional fashion. Splices of strength close to the strength of as-drawn fiber were obtained by this method.

REFERENCES:
patent: 4957343 (1990-09-01), Sato et al.
patent: 5018824 (1991-05-01), Ooe et al.
patent: 5243674 (1993-09-01), Chandross et al.
patent: 5360464 (1994-11-01), Yamauchi et al.
"Improved Strengths (3.7 GPa) of Arc Fusion Splices for High Yield-High Reliability", by J. T. Krause et al., ECOC '93, 19th European Conference on Optical Communication, Sep. 12-16, 1993, Proceedings, vol. 2.
"Arc Fusion Splices with Improved Strength (4.8 GPa) Approaching the Strength of the Fibre", by A. Berg et al., Electronics Letters, vol. 31, No. 4, 16th Feb. 1995, pp. 308-309.

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