Fibre Optics
Submitted by on January 1, 1998
Category: Technology
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The Properties of Light Applied to Fibre Optics
One of the basic properties of light is that it travels in straight lines and can have it’s
direction changed. This is the property which is applied to achieve the purpose of Fibre
Optics which is to carry light from one place to another. The way this is done can be
explained by the principle of refraction. This is the principle which governs the behaviour
of light as it passes from one transparent substance to another. It states; if a ray of light
travelling in air make contact with a glass block at a slant, some light is reflected back
but most enters the block and is refracted (bent) away from the surface. The ray is called
the incident ray before it reaches the bend and the reflected ray after it has been refracted.
Light also refracts as it...