Definition that contains coherent light
- laser an acronym for light amplification by stimulated emission of radiation; an optical device that produces an intense monochromatic beam of coherent light
- optical maser an acronym for light amplification by stimulated emission of radiation; an optical device that produces an intense monochromatic beam of coherent light
- holography the branch of optics that deals with the use of coherent light from a laser in order to make a hologram that can then be used to create a three-dimensional image