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8 March, 14:16

What is the meaning of "Laser"

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  1. 8 March, 16:03
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    A device that generates an intense beam of coherent monochromatic light (or other electromagnetic radiation) by stimulated emission of photons from excited atoms or molecules. Lasers are used in drilling and cutting, alignment and guidance, and in surgery; the optical properties are exploited in holography, reading bar codes, and in recording and playing compact discs.
  2. 8 March, 17:51
    0
    It is actually an acronym that means "Light Amplification of Stimulated Emission of Radiation"
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