optical fiber definition

  • noun:
    • A flexible optically clear fiber, usually manufactured from cup or synthetic, by which light may be sent by consecutive internal reflections.
    • Alternative kind of optical fibre.
    • A thin fiber of very pure glass used to carry signals transmitted by means of light. It has much greater information-carrying capacity than a copper wire, and in the 1990's became a dominant means of transmitting telephone communications over long distances.
    • a very slim fiber manufactured from glass that functions as a waveguide for light; utilized in packages to transfer pictures

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