Laser - Wikipedia
A laser is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation.
Laser vs. Lazer: Which One Is Right? - History Tools
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 …
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Laser | Definition, Acronym, Principle, Applications, & Types
Dec 4, 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 …
What Is a Laser? | NASA Space Place – NASA Science for Kids
Sep 25, 2025 · 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 …
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Laser or Lazer? Which Is Correct? - Mr. Greg
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 …
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