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

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 …

Jan 1, 2026 · Confused between laser or lazer? Learn the correct spelling, origin, meaning, and examples in this simple grammar and usage guide.

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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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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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Dec 25, 2025 · Discover how a laser beam emits light Learn how a laser beam emits light. Einstein recognized that this emission could be produced in two ways. Usually, discrete …