Fibre optic cable is used in several media applications such as telephone systems, cable television, broadband internet, medical imaging and mechanical engineering.

Fibre optic cable is a ground breaking technology that utilises threads of glass that are as thin as a human hair to send data from one source to another. Each individual glass thread within the cable is capable of sending amazing amounts of data via light waves.

The fibre optic cable is made up of 3 main elements:

  1. Core – Centre of the cable where the light and data travels
  2. Cladding – Reflective material that surrounds the core and reflects light into the core
  3. Buffer Coating – Protection for the outer cable from moisture and damage

Looking set to replace the existing metal cables, fibre optic cable has many advantages in that they have the ability of sending huge amounts of data over an increased bandwidth. This data is also sent digitally so there is no need for a modulator to decode the analogue data into digital data.

Where metal cable is vulnerable to electronic interference from other electric signals, fibre optic cable is far less susceptible. The cable is also much thinner than metal cable.

With all the advantages, fibre optic cable also has a delibatating disadvantages. The installation of fibre optic cable is very expensive. The cable itself is much more fragile than metal cable and far more difficult to join as they need to be professionally spliced.

Fibre optic cable is ideally used for LAN (Local Area Networks) Systems and more and more telephone companies are migrating their current cable to fibre optic because of the growing need for more bandwidth requirements. For example, a typical broadband connection can be increased from for 4mbs to a huge 50+ mbs.

The ever expanding internet and its natural ability to consume huge amounts of data is forcing the need to move to fibre optic cable. Internet users are demanding more data requirements to cope with the need to download High definition video, multimedia applications and Cloud Computing.


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