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Optical fibres

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by

Harvey Buckle

on 25 October 2016

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Transcript of Optical fibres

Optical fibres and Radio
Aim
To know the theory and application of optical fibres
To understand the phenomenon of radio waves
Information such as computer data and telephone calls can be converted into either visible light signals or infrared signals, and transmitted by optical fibres.

Optical fibres can carry more information than an ordinary cable of the same thickness. The signals in optical fibres do not weaken as much over long distances as the signals in ordinary cables.
Radio
See p.326-7
Starter
A trip inside yourself! ...singing?
Optical fibres
An optical fibre is a thin rod of high-quality glass. Very little light is absorbed by the glass. Light getting in at one end undergoes repeated total internal reflection, even when the fibre is bent, and emerges at the other end.
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