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“Laser” is an acronym for Light Amplification by Stimulated Emission of Radiation. A laser is created when electrons in the atoms in optical materials like glass, crystal, or gas absorb the energy from an electrical current or a light.
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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laser, a device that stimulates atoms or molecules to emit light at particular wavelengths and amplifies that light, typically producing a very narrow beam ...
Laser
A laser is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation. The word laser is an anacronym that originated as an acronym for light amplification by stimulated... Wikipedia
Books On Lasers
Lasers produce a narrow beam of light in which all of the light waves have very similar wavelengths. The laser's light waves travel together with their peaks ...