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Engineering and Construction
Pages 6 (1506 words)
FIBER OPTICS (Author’s name) (Institutional Affiliation) Theory of Light Relevant to Fiber Optics Light propagation transmission along the optical fiber can b described in two ways being light as a simple ray which is known as geometrical or the ray theory optics approach…
In this theory, the behavior of light is able to be shown or rather described within the optical fiber. This theory is majorly used in describing the causes of attenuation, dispersion of light and also the optical fiber absorption. Construction of Fiber Optic Cables Fiber optic cables are first given the core size which is 50/125 as the diameter then followed by the cladding size which is 125 microns while the 8/125 has a core diameter of 8microns with a cladding diameter of 125microns.A larger diameter has a larger core which allows more light which can be coupled depending n the angle cone. They can ether operate on a single mode propagation or a multimode propagation. The fiber-optic cables are made up of either glass, plastic or plastic-clad silica which differ to its attenuation. Attenuation can be seen to be majorly caused by absorption or scattering. In the glass fiber optic cable it is seen to consist of the lowest attenuation which when made it consists of glass core and glass cladding. It is also the most common preferred and has spread worldwide as it is easy to install because most of the people have accessed to it. The glass used is pure mad of silicon dioxide which during its fabrication process the impurities are added in order for it to produce a desire refraction of light. Boron or Fluorine is also added to decrease the refraction index. ...
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