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Fiber optics are a flexible, transparent fibre made by drawing glass or plastic to a diameter slightly thicker than that of a human hair. Optical fibres are used most often as a means of transmitting light between two ends of the fibre and find wide usage in fibre optic communications, where they permit transmission over longer distances and at higher bandwidths (data more

Fiber optics are a flexible, transparent fibre made by drawing glass or plastic to a diameter slightly thicker than that of a human hair. Optical fibres are used most often as a means of transmitting light between two ends of the fibre and find wide usage in fibre optic communications, where they permit transmission over longer distances and at higher bandwidths (data ranges) than electrical cables. Fibres are used instead of metal wires because signals travel along them with less loss; in addition, fibres are immune to electromagnetic interference, a problem from which metal wires suffer excessively.

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