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Optic Fibre

Garry Sholl | Jan 15, 2010 | 0 comments

Whenever people talk about the internet, the cable television system or the telephone system it is very likely that you hear about cables that are fiber optic. Fiber optics will carry digital information over long distances through a strand of optical thin glass. Mostly used in communication mediums due to the availability of a higher bandwith, these fiber optics will carry the light far longer than many other forms of electrical signal carriers.

Fiber optics communication systems have certainly developed the telecommunications industry and because of its advantages over electrical transmission, copper wire communications in core networks have been replaced by optical fibers. How it works is fiber optics are long, thin strands of pure thin glass that are arranged in bundles referred to as optical cables that are used to transmit light signals over long distances. Consisting of three layers, the inner core will carry the light from the sender to the receiver, while the next level of layer reflects the light back on to the core to make sure none is lost and finally an outer layer will protect the light signal from environment.

In general fiber optics is recommended for systems that require higher bandwidth across longer distances because it accommodates smoother than electrical cabling. With minimum number of amplifiers these fiber optics calbles can carry the amount of data carried in many electrical wires. When fiber cables run alongside each other for long distances, they don’t experience crosstalk unlike some types of electrical transmission lines. Several miles of optical cable could be cheaper than copper wire saving your provider and you money. Fiber optics is thinner which is why unlike electrical signals in copper wires; light signals from one fiber do not interfere with those of other fibers in the same cable which results in clearer reception. The loss of signal is also less in fiber optics than in electrical copper wires which is why lower-power transmitters can be used instead of the high-voltage electrical transmitters.

Since its suitability to be used in digital signals, optic fiber are mostly used in the telecommunication aspects. Due to the flexibility of fiber optics usages today it is often seen in almost any industry.

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