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 originated as an acronym for light amplification by stimulated emission of radiation. The first laser was built in 1960 by Theodore Maiman at Hughes Research Laboratories, based on theoretical work by Charles H. Townes and Arthur Leonard Schawlow and the optical amplifier patented by Gordon Gould.
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- nounA device that produces a monochromatic, coherent beam of light.
- nounA beam of light produced by such a device; a laser beam.
- verbTo cut with a laser
- verbTo throw with laser-like precision
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Synonyms
optical maser
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