A laser is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation.

Mar 24, 2024 · At its core, a laser utilizes atoms of a chosen gas, liquid, crystal or semiconductor that can be stimulated to release uniform packets of light called photons. The emitted particles travel …

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Dec 25, 2025 · laser, a device that stimulates atoms or molecules to emit light at particular wavelengths and amplifies that light, typically producing a very narrow beam of radiation. The emission generally …

Jan 12, 2026 · Confused between laser or lazer? Learn the correct spelling, origin, meaning, and examples in this simple grammar and usage guide.

Jan 25, 2024 · Although both words may sound identical when spoken, only laser is the correct spelling in standard English. In this article, we will explore the origin and meaning of the word laser, explain …

3 days ago · The letters in the word laser stand for L ight A mplification by S timulated E mission of R adiation. A laser is an unusual light source. It is quite different from a light bulb or a flash light. Lasers …

Frequently Asked Questions about Lasers. What are lasers used for? Lasers are used for a variety of purposes including pointing out objects during a presentation, aligning materials at ...

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Standard lasers create powerful beams by bouncing light between microscopic mirrors to stimulate more light production; this new tool uses the same principle to amplify vibrations.