Fiber contamination significantly increases the bit error rate (BER) in high-speed optical communication systems. BER is the percentage of bits that are received in error compared to the total number of bits transmitted. In high-speed systems, even a small increase in BER can have a significant impact on performance. Fiber contamination, such as dust, dirt, oil, or other debris on the connector end-faces or within the optical path, obstructs or scatters the light signal. This obstruction or scattering reduces the amount of optical power that re....
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