optical fiber

optical fiber

n.

A flexible optically transparent fiber, usually made of glass or plastic, through which light can be transmitted by successive internal reflections.

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optical fiber

A flexible transparent fiber of extremely pure glass or plastic, generally between 10 and 200 micrometers in diameter, used especially to carry light signals for telecommunication purposes. See more at fiber optics.

Thesaurus

Noun

1.

optical fiber - a very thin fiber made of glass that functions as a waveguide for light; used in bundles to transmit images glass fiber, glass fibre, optical fibre fiber optic cable, fibre optic cable - a cable made of optical fibers that can transmit large amounts of information at the speed of light fiberscope - a flexible medical instrument involving fiber optics that is used to examine internal organs fiber, fibre - a slender and greatly elongated substance capable of being spun into yarn