: a device (such as a duct, coaxial cable, or glass fiber) designed to confine and direct the propagation of electromagnetic waves (such as light)
especially
: a metal tube for channeling ultrahigh-frequency waves
Examples of waveguide in a Sentence
Recent Examples on the Web
Light is channeled along the length of each cantilever via a waveguide, and exits at its tip.
—
IEEE Spectrum, 9 Apr. 2026
The first indicator is the pair of waveguides on the lenses.
—Will Greenwald, PC Magazine, 9 Apr. 2026
But most photonic systems keep light confined within tiny optical waveguides on the chip.
—Aamir Khollam, Interesting Engineering, 12 Mar. 2026
They are used in optical communications as waveguides and switches, as well as in filters, lasers, mirrors, and various anti-reflection stealth devices.
—ArsTechnica, 18 Feb. 2026
See All Example Sentences for waveguide
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IEEE Spectrum, 9 Apr. 2026
The first indicator is the pair of waveguides on the lenses.
—Will Greenwald, PC Magazine, 9 Apr. 2026
But most photonic systems keep light confined within tiny optical waveguides on the chip.
—Aamir Khollam, Interesting Engineering, 12 Mar. 2026
They are used in optical communications as waveguides and switches, as well as in filters, lasers, mirrors, and various anti-reflection stealth devices.
—ArsTechnica, 18 Feb. 2026
See All Example Sentences for waveguide
Cite this Entry
“Waveguide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/waveguide. Accessed 2 May. 2026.
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