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Laser - Wikipedia
A telescope in the Very Large Telescope system producing four orange laser guide stars. A laser is a device that emits light through a process of optical amplification based on the stimulated …
Laser | Definition, Acronym, Principle, Applications, & Types
Apr 23, 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 …
How do lasers work? | Who invented the laser? - Explain that Stuff
Nov 28, 2024 · When Theodore ("Ted") Maiman developed the first practical laser, few people realized how important these machines would eventually become. Goldfinger, the 1964 James …
How Lasers Work - HowStuffWorks
Jul 31, 2023 · Beyond laser tag, you can find lasers in everyday objects like CD players or even dental drills. RichLegg/Getty Images. "Star Wars," "Star Trek," "Battlestar Galactica" — laser …
What Are Lasers And How Do They Actually Work? - ScienceAlert
Lasers are devices that concentrate beams of light by forcing their waveforms and frequencies to align. First developed in the 1960s to amplify microwaves, modern lasers technology can ramp …
Lasers: Understanding the Basics - Photonics
Over 60 years have passed since the first demonstration of a laser in 1960.After the initial spark of interest, lasers were for a while categorized as “a solution waiting for a problem,” but bit by bit, …
Fundamentals of Lasers - Edmund Optics
Lifetime: Power supplies should be selected to run at the lowest voltage possible to extend the lifetime of the laser. Heat sinks are recommended and must be used if operating near …
What Is A Laser? | NIST - National Institute of Standards and …
May 19, 2010 · An explanation of lasers and their uses from NIST's William D. Phillips, who shared the 1997 Nobel Prize in Physics for his pioneering work in using lasers to cool atoms to …
What Is a Laser? | NASA Space Place – NASA Science for Kids
May 15, 2025 · The letters in the word laser stand for Light Amplification by Stimulated Emission of Radiation.A laser is an unusual light source. It is quite different from a light bulb or a flash …
Laser - Introduction - What is a Laser?
Laser is a device that amplifies or increases the intensity of light and produces directional light.