Fusion splices
Fusion splices are made by "welding" two fibers using an electric arc. For safety reasons, fusion
splices should not be performed in enclosed spaces such as sewers or any atmosphere that may be
explosive. The equipment for performing fusion splicing, in general, is very bulky for overhead lines,
so fusion splicing is generally performed on a truck or trailer specially equipped for it.
Fusion for single-mode fibers is highly automated, so it is difficult for a bad splice to be
done if the fibers are cleaned and cut properly and the instructions for using the fuser correctly
are followed. Fusion splices today are so good that some splices may not be detected in the graphic
plots of an OTDR. Some fusion machines only perform one fusion at a time, but fiber tape fusers can
splice 12 fibers at once.
The fusion splicing process
Certified fiber optics installer
Fiber preparation
The fusion splicing process is almost the same for all automatic fusers. The first step is to peel,
clean and cut the fibers to which the splicing will take place. You must peel the fiber coating to
expose the necessary length of the bare fiber, clean the fiber with a suitable cloth, cut the fiber
following the indications of the precision cutter you are using, place each fiber in the guides of
the fuser and fix it there.
Fusion splices are made by "welding" two fibers using an electric arc. For safety reasons, fusion
splices should not be performed in enclosed spaces such as sewers or any atmosphere that may be
explosive. The equipment for performing fusion splicing, in general, is very bulky for overhead lines,
so fusion splicing is generally performed on a truck or trailer specially equipped for it.
Fusion for single-mode fibers is highly automated, so it is difficult for a bad splice to be
done if the fibers are cleaned and cut properly and the instructions for using the fuser correctly
are followed. Fusion splices today are so good that some splices may not be detected in the graphic
plots of an OTDR. Some fusion machines only perform one fusion at a time, but fiber tape fusers can
splice 12 fibers at once.
The fusion splicing process
Certified fiber optics installer
Fiber preparation
The fusion splicing process is almost the same for all automatic fusers. The first step is to peel,
clean and cut the fibers to which the splicing will take place. You must peel the fiber coating to
expose the necessary length of the bare fiber, clean the fiber with a suitable cloth, cut the fiber
following the indications of the precision cutter you are using, place each fiber in the guides of
the fuser and fix it there.
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