There are a lot of reasons why fiber optics is preferred by telecommunications companies. The main reasons behind this choice are cost, efficiency and convenience.
Fiber optics glass cost less as compared to copper wires. Moreover, fiber optics is efficient because of a number of reasons. Using light as the mode to carry information brings about a lot of advantages. The most noticeable advantage is speed of data transfer. This is not very surprising since light travels faster than any existing wave. Light signals also degrade lesser than signals passing through copper conductors. Plus, light signals require lesser power to be transmitted.
The material used in fiber optics makes it very convenient to use. Optical fibers are thinner, more light weight and more flexible than copper wires. This makes it easier to carry, bundle and set up. Aside from this, optical fibers do not heat up and are non-flammable.
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