lasers (optical instruments)

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Scope note
Devices that generate electromagnetic radiation in the ultraviolet, visible, or infrared spectrum, in the form of a very narrow continuous or intermittent beam. Originally an acronym for "light amplification by stimulated emission of radiation;" the first functional laser was built by Theodore H. Maiman (1927-2007), and demonstrated in 1960. Lasers have multiple applications: they are used as components in information retrieval and transmission devices and systems, cutting, measuring, and medical tools, and as entertainment devices.
lasers
Accepted term: 22-Apr-2024