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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 | Definition, Acronym, Principle, Applications, Types . . . 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 covers an extremely limited range of visible, infrared, or ultraviolet wavelengths
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 up light rays in just about any part of the electromagnetic spectrum, with the exception of gamma waves
What Is a Laser? | NASA Space Place – NASA Science for Kids What Is a Laser? The Short Answer: A laser produces a very narrow beam of light that is useful in many technologies and instruments 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
What Does LASER Stand For? The Interesting Answer! It stands for Light Amplification by Stimulated Emission of Radiation A laser is a useful, narrow light beam used in multiple instruments, such as flashlights, light bulbs, and many household tools In the 60s, it was a cutting-edge technology used in large industries and high-end devices
What is laser? | Definition from TechTarget The acronym laser stands for "light amplification by stimulated emission of radiation " Lasers work as a result of resonant effects The output of a laser is a coherent electromagnetic field In a coherent beam of electromagnetic energy, all the waves have the same frequency and phase