Areas of application

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Local Area Networks (LAN's)

Multimode fibre is commonly used as the "backbone " to carry signals between the hubs of LAN's from where copper coaxial cable takes the data to the destop . Fibre links to the desktop , however , are also common .

Cable TV
As mentioned above domestic cable TV networks use optical fibre because of its very low power consumption .

CCTV

CLosed circuit televisyen security systems use optical fibre because of its inherent security  , as well as the other advantage mentioned above .

Optical Fibre Sensors .
Many advances have been made in recent years in the use of Optical FIbres as sensors . Gas concentration , chemical concentration , pressure , temperature , and rate of rotation can all be sensed using optical fibres . Much work in this field is being done at the University of Strathclyde , Scotland .