optical fiber

noun

1. a very thin, flexible glass or plastic strand along which large quantities of information can be transmitted in the form of light pulses: used in telecommunications, medicine, and other fields.

optical fiber

1. 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.

2. See more at fiber optics

Word History and Origins

Origin of optical fiber¹

First recorded in 1960–65

Example Sentences

Researchers reporting in ACS Sensors have developed an optical fiber sensing system that could help medical professionals monitor patients for complications after a traumatic brain injury.

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Her orange hair shoots upward like a bouquet of optical fibers that defy gravity.

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He then used bigger optical fibers and increased the intensity to stimulate the DRNs.

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To test it, they injected light into a 2-kilometer-long optical fiber cable, similar to the ones used for optical telecommunication.

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The Harvard team established the practical makings of the first quantum internet by entangling two quantum memory nodes separated by optical fiber link deployed over a roughly 22-mile loop through Cambridge, Somerville, Watertown, and Boston.

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