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Related to optical maser: The Master
A laser, especially one that produces visible radiation.
a device that produces a nearly parallel, nearly monochromatic, and coherent beam of light by exciting atoms and causing them to radiate their energy in phase.Compare maser.
[1955–60; l(ightwave) a(mplification by) s(timulated) e(mission of) r(adiation)]
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|Noun||1.||optical maser - an acronym for light amplification by stimulated emission of radiation; an optical device that produces an intense monochromatic beam of coherent light|
optical device - a device for producing or controlling light
photocoagulator - surgical instrument containing a laser for use in photocoagulation