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Fibre Optics - Essay Example
Author : cormierkristina
Engineering and Construction
Pages 6 (1506 words)
Fibre Optics Table of Contents Theory of light relevant to fibre optics Construction of fibre optic cables. Basic fibre optic theory. Types of fibre optic cable. Sources and detectors used in fibre optic communication. Attenuation in fibre optics systems. Advantage of fibre optics compared to copper wire. Use of fibre optics in aircraft systems. Fibre Optics Technology over the past century has advanced greatly…
One of the modern and commonly used applications of fibre optics is high resolution visuals (HDTV) which has enabled us to view broadcasts at 1080p screen resolution which is a result of FTTc and FTTh (fibre to the curb) network. Satellites making use of fibre optics do not have to undergo lessening (fibreopticsinfo). There are generally six theories of light from which the theory of optical fibre has evolved. The relevant theories to optical fibre are emission theory, corpuscular theory, wav theory, electromagnetic theory and quantum theory. Reflection and refraction of light are vital elements in optical fibre. These two properties have been explained by Newton in his laws. Another very important property relative to fibre optics is the critical angle of light. Critical angle is defined as the minimum angle which can allow total internal reflection to take place. This is governed by Snell’s law. There are two theories which explain the propagation of light through optical fibres. The first theory is the ‘Ray Theory’ under which light is considered to be a simple ray of light and the propagation properties are relevant to that. ...
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