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

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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 emission generally …

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 …

The meaning of LASER is a device that utilizes the natural oscillations of atoms or molecules between energy levels for generating a beam of coherent electromagnetic radiation usually in the ultraviolet, …

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 a flash light. Lasers …

Jul 31, 2023 · In this article, you'll learn all about the different types of lasers, their different wavelengths and the uses to which we put them (like laser pointers). But first, let's start with the fundament­als of …

GreenCircle Energy Savings certified consumer products reduce energy consumption when compared to similar products in the marketplace, or a previous version of that product. A product must meet a …

Mar 24, 2024 · Engineer Gordon Gould at Columbia University coined the handy acronym "laser" – Light Amplification by Stimulated Emission of Radiation. The maser paved the way, but laser technology …

Lasers produce coherent light through a process called stimulated emission. The laser contains a chamber in which atoms of a medium such as a synthetic ruby rod or a gas are excited to a high …