lase

American  

[leyz] / leɪz /

verb (used without object)

Optics.

lased, lasing

1. to give off coherent light, as in a laser.

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lase British  

/ leɪz /

verb

1. (intr) (of a substance, such as carbon dioxide or ruby) to be capable of acting as a laser

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Etymology

Origin of lase

First recorded in 1960–65; back formation from laser

Example Sentences

But titanium-sapphire lasers struggle to achieve those energies because the big crystals needed for damage-free amplification tend to lase at right angles to the beam—thereby sapping energy from the pulses.

From Science Magazine • Jan. 24, 2018

The glass is doped with rare-earth atoms and when an external light source boosts enough of them into an excited state, the ring begins to lase at its own preferred frequency.

From US News • Jun. 29, 2011

To lase, the GFP in the cells needed to be pumped with another laser, one that sends pulses of blue light at a low energy of about 1 nanojoule.

From Science Magazine • Jun. 12, 2011

Although Maiman's synthetic ruby was the first substance made to "lase," it was far from the last.

From Time Magazine Archive

After we parted you, Brian saw Mr. Dennis himself about the lase and memorandum, which he never denied, but knew nothing about.

From Tales and Novels — Volume 06 by Edgeworth, Maria