Method for fusion splicing optical fibers and fusion splicer

Details Method for fusion splicing optical fibers and fusion splicer Method for fusion splicing optical fibers and fusion splicer

2006-11-28

2006-11-28

Connelly-Cushwa, Michelle (Department: 2874)

Optical waveguides

With splice

Alignment of fiber ends prior to splicing

C065S407000

Reexamination Certificate

active

07140786

ABSTRACT:
A method and apparatus capable of fusion splicing optical fibers to have a low loss or a prescribed loss. The method includes (a) detecting fiber positions and core positions of optical fibers to be spliced at an abutting position and a fiber offset that is caused when said optical fibers are in core alignment (b) determining the self-alignment ratio corresponding to the preferred melted condition value based on a predetermined expression for a relationship between melted condition value and self-alignment ratio, (c1) determining an intentional offset that achieves a prescribed splicing loss based on the fiber offset and the self-alignment ratio, (d1) aligning the core positions by offsetting the intentional offset value, and (e1) heating and fusing the optical fibers.

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