fiber optics

NOUN

light transmitted through fibers

Synonyms

STRONGEST

optical fiber

WEAK

catoptrics dioptrics fibre optics glass fiber

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In the latest study, scientists used optogenetics, a technique that uses fiber optics and light to activate specific brain cells.

From Science Daily • May 15, 2026

That reflects higher capital expenditures: The company has been accelerating its spending on fiber optics, which deliver high-speed internet hookups to U.S. households.

From Barron's • Apr. 23, 2026

Ayar Labs, which is replacing the copper wiring in semiconductors with fiber optics, is valued at $3.8 billion in the deal.

From The Wall Street Journal • Mar. 3, 2026

Some of these names, such as Astera Labs, Credo, Macom and Semtech, produce semiconductors that enable high-speed data transmission over fiber optics.

From MarketWatch • Nov. 1, 2025

Already the work area was a mess of tangled wires and pulsating fiber optics.

From "Artemis Fowl" by Eoin Colfer