optical fiber

noun

: a single fiber-optic strand

Examples of optical fiber in a Sentence

Recent Examples on the Web

Inside Prysmian’s optical fiber plant Behind the billion-dollar expansion is an intricate manufacturing process few outside the industry get to see. — Charlotte Observer, 15 Sep. 2026

External forces such as stretching, pressure, or temperature can slightly alter the glass's physical and optical properties, making these forces measurable by tracking changes in the light passing through the optical fiber. — Pawel Maniewski, New Atlas, 2 Sep. 2026

The photons emerged from an optical fiber just 5 microns in diameter, less than one-tenth the width of a human hair. — Rupendra Brahambhatt, Interesting Engineering, 23 Aug. 2026

The Legacy Imaging Surveys were originally designed to help DESI determine where to point its thousands of robotic optical fibers, essentially creating the 2D foundation for DESI's much larger effort to map the universe in three dimensions. — Samantha Mathewson, Space.com, 11 Aug. 2026

Word History

First Known Use

1962, in the meaning defined above

Rhymes for optical fiber

• cyber
• fibre
• prescriber
• subscriber
• transcriber

Kids Definition

optical fiber

noun

: a single fiber-optic strand

Medical Definition

optical fiber

noun

: a single fiber-optic strand