optical maser

optical maser
laser laser n. [acronym from Light Amplification by Stimulated Emission of Radiation: ca. 1955.] A device which produces an intense, usually narrow, monochromatic beam of coherent light; called also {optical maser}. It has various forms, and is used in various applications in science and technology. The beam is produced by boosting the majority of the electrons in specific radiation-absorbing atoms in a medium into a higher energy level, from which they are stimulated by their own emitted radiation to drop back synchronously to their lower energy level, and emit light which is in phase (coherent).

Syn: optical maser. [WordNet 1.5]


The Collaborative International Dictionary of English. 2000.

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  • optical maser — Physics. laser. * * * …   Universalium

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  • optical device — noun a device for producing or controlling light • Hypernyms: ↑device • Hyponyms: ↑autofocus, ↑biprism, ↑camera lucida, ↑coelostat, ↑collimator, ↑diffraction grating, ↑ …   Useful english dictionary

  • Optical computing — Today s computers use the movement of electrons in and out of transistors to do logic. Optical or Photonic computing is intended to use photons or light particles, produced by lasers or diodes, in place of electrons. Compared to electrons,… …   Wikipedia

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