Systems and methods for fabricating low-loss, high-strength...

Details Systems and methods for fabricating low-loss, high-strength... Systems and methods for fabricating low-loss, high-strength...

2005-05-31

2005-05-31

Dinkins, Anthony (Department: 2831)

Optical waveguides

With splice

Fusion splicing

C385S099000, C385S095000, C385S097000, C385S123000, C385S124000, C385S125000, C385S126000

Reexamination Certificate

active

06899470

ABSTRACT:
Systems and techniques are described for fabricating a low-loss, high-strength optical transmission line. In one described technique, a first fiber is spliced to a second fiber at a splice point. The spliced fibers are loaded into a heat treatment station, where a gas torch flame is used to thermally treat a splice region including the splice point, with the thermal treatment reducing splice loss between the first and second fibers. While heating the splice region, a dry gas is purged around the torch flame during the heat treatment process to avoid water at the surface of the spliced fibers. According to further described techniques, a purging gas is fed to the torch flame to purge dust particles from the flame, and after the heat treatment has been completed, the torch flame is used to restore the glass surface of the spliced fibers. Additionally described are torch assemblies for fabricating low-loss, high-strength optical fiber transmission lines.

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