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Fiber Optic Communications Fiber Optics is a significant technology used in many different areas of communications With the explosion of the internet fiber optics can readily provide the capacity of data that is transmitted with its gigabit speeds As more breakthroughs in technology occur it will spread to every aspect of the industry Telephones Fax Machines Radios Television Broadcasting and even satellites use this highly reliable light wave technology The telecommunications industry receives the most benefits from fiber optics It allows for the transmission of audio video and data information in high quality Fiber optics uses light pulses directed down a tiny glass fiber in order to relay information Two different types of fibers are in use today single mode and multimode Each of these types of fibers are made of three different parts the core the cladding and the buffer While singlemode and multimode fibers are composed of the same components they do still differ Singlemode fibers are significantly smaller than multimode fibers The core of the fiber is the most crucial part of any fiber In the core is where the light signals themselves travel through Because of how easily light refracts the core must be completely transparent Therefore pure glass is not even transparent enough to transmit the signal and must be mixed with silica to attain perfection The core is also the innermost and smallest part of a fiber having a diameter of only eight microns The average human hair has a diameter of approximately 100 microns making the core of a singlemode fiber about 113 the size of a human hair Because the technology would not work if the light did not bounce down the fiber the core must be encased in a covering that refracts the light and prevents any escape of light waves For this there is a layer of glass outside of the core called the cladding layer In order for the cladding to refract
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