Splicing fiber cable is surely not like splicing metal cables together. It is a very specific procedure best accomplished using fusion splicers. The fusion splicers connect two fiber optic cables together by fusing or melting them.
To lessen possible signal loss or optical loss, optical fibers should be joined together perfectly. Here is how the procedure works. The fiber cable ends are first fastened into an enclosure within the splicer to protect them during the fusion procedure. Then the ends are stripped of their coating. If an outer jacket is present, it is also stripped. The next step involves a tool known as fiber cleaver. A fiber cleaver is used to cut the fibers in such a way that leaves the end of the cables flat and smooth. If the ends are not flat, then splicing will not happen perfectly. After cleaving the ends, they are placed into the holders within the splicer.
Now the motors of the splicer align the end of the cables together. Then the splicer generates a small spark at the gap between the two electrodes. The reason for doing this is that you have to burn off any moisture of dust present in it. Moisture or dust may cause the splicing procedure to fail. After this step, a much bigger spark is generated, which raises the temperature at the end of the cables above the melting point of the glass. This fuses the cable ends together. The position of the spark and the amount of electricity it has are very cautiously controlled. This precise control is required to make sure that the glass fiber and its cladding are not permitted to mix. If they mix together, it may cause optical loss.
After the cable ends are fused together, the splicer injects lights through the cladding on one side of the splice and measure the leakage of light from the cladding on the other side. The measurement is taken to estimate the quantity of splice loss. Splice loss is the amount of optical power lost at the splice point and as a result of the splicing procedure. A splice loss of less than 0.1dB is normal while using a fusion splicer.
As a general rule, the fiber ends are inspected before and after the splicing procedure. This is done using the splicer display screen which offers a magnified view of the splice region. Fusion splicers and OTDR is used extensively in the telecommunication industry and also the computer networking industry. They are priceless in making sure that fiber based network downtime is kept to a minimum.
Fusion Splicers are extensively utilized by telecommunication companies. Optical fiber network proves to be very dependable, effective and low power communication media. Data is secured and the loss is negligible.
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