Optical fiber is used by telecommunications companies to transmit telephone signals, Internet communication and cable television signals. What are fibre-optic cables used for? What is fibre optics? Fibre optics is a technology that provides modern homes and businesses with a variety of communications services. It facilitates the transfer of data signals through pulses of light, allowing them to travel faster and over longer distances. ITU-T has been active in the standardization of optical communications technology and the techniques for its optimal application within networks from the infancy of this industry. The light is a form of carrier wave that is modulated to carry information.
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