Fibre optic cables

Optic fibre cables are comprised of four layers. Data is transferred using beams of light by utilising an effect known as total internal reflection.

optic

Light travels into the glass core, and so long as it is above the critical angle, total internal reflection will occur, causing light to reflect off of the inside of the glass core repeatedly until it reaches the other end.

glass

 

 

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One thought on “Fibre optic cables

  1. Pingback: Data transmission cables | Thelectronicsblog

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