Fiber-optic transmission

Feb 3rd, 2012
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Light has a number of advantages over electricity as a medium for transmitting information. For example, it is intrinsically safe, and noise corruption of signals by neighbouring electromagnetic fields is almost eliminated. The most common form of optical transmission consists of transmitting light along a fibre-optic cable, although wireless transmission

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Fiber-optic transmissionLight has a number of advantages over electricity as a mediumfor transmitting information. For example, it is intrinsicallysafe, and noise corruption of signals byneighbouring electromagnetic fields is almost eliminated.The most common form of optical transmission consists oftransmitting light along a fibre-optic cable, althoughwireless transmission . Apart from noise reduction, opticalsignal attenuation along a fibre-optic link is much less thanelectric signal attenuation along an equivalent length of metalconductor.However, there is an associated cost penal

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