optical fiber

American  

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.

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optical fiber Scientific  

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

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Etymology

Origin of optical fiber

First recorded in 1960–65

Example Sentences

It even designs the machines used to manufacture its optical fiber and cable.

From The Wall Street Journal

On top of making glass for iPhone screens, Corning also produces optical fiber and cabling—two in-demand components for AI data centers.

From Barron's

Corning will supply Meta with cabling, optical fiber, and connectivity solutions for data centers across the U.S..

From Barron's

In addition, delivering light to the brain requires equipment like lasers and optical fibers, which makes experiments more invasive.

From Science Daily

An affordable quantum internet would rely on the same optical fibers used now.

From Science Daily