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optical maser beam

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См. также в других словарях:

  • 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… …   The Collaborative International Dictionary of English

  • optical maser — noun an acronym for light amplification by stimulated emission of radiation; an optical device that produces an intense monochromatic beam of coherent light • Syn: ↑laser • Hypernyms: ↑optical device • Part Holonyms: ↑photocoagulator * * * noun …   Useful english dictionary

  • Maser — For other uses, see Maser (disambiguation). A hydrogen radio frequency discharge, the first element inside a hydrogen maser (see description below) A maser is a device that produces coherent electromagnetic waves through amplification by… …   Wikipedia

  • 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

  • Astrophysical maser — An astrophysical maser is a naturally occurring source of stimulated spectral line emission, typically in the microwave portion of the electromagnetic spectrum. This emission may arise in molecular clouds, comets, planetary atmospheres, stellar… …   Wikipedia

  • Laser — For other uses, see Laser (disambiguation). United States Air Force laser experiment …   Wikipedia

  • laser — /lay zeuhr/, n. Physics. a device that produces a nearly parallel, nearly monochromatic, and coherent beam of light by exciting atoms to a higher energy level and causing them to radiate their energy in phase. Also called optical maser. [1955 60; …   Universalium

  • Gordon Gould — in 1940 Born July 17, 1920 New York City …   Wikipedia

  • Schawlow, Arthur L. — ▪ 2000       American physicist (b. May 5, 1921, Mount Vernon, N.Y. d. April 28, 1999, Palo Alto, Calif.), shared the 1981 Nobel Prize for Physics with Nicolaas Bloembergen and Kai Manne Börje Siegbahn for work on laser spectroscopy. Originally… …   Universalium

  • Masers in science fiction — Masers often appear as weapons in science fiction movies and novels. Their characteristics often differ from those of real masers, however, and it is doubtful whether a practical maser weapon such as these can actually be made. Some notable… …   Wikipedia

  • 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… …   The Collaborative International Dictionary of English

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