gas maser

См. также в других словарях:

• gas maser — noun a maser in which microwave radiation interacts with gas molecules • Hypernyms: ↑maser …   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

• maser — /may zeuhr/, n. a device for amplifying electromagnetic waves by stimulated emission of radiation. Cf. laser. [1950 55; m(icrowave) a(mplification by) s(timulated) e(mission of) r(adiation)] * * * Device that produces and amplifies… …   Universalium

• 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

• Hydrogen maser — A Hydrogen maser, also known as hydrogen frequency standard, is a specific type of maser that uses the intrinsic properties of the hydrogen atom to serve as a precision frequency reference.Both the proton and electron of a hydrogen atom have… …   Wikipedia

• Modern searches for Lorentz violation — Important motivations for modern searches for Lorentz violation are deviations from Lorentz invariance (and thus special relativity) predicted by some variations of quantum gravity, string theory, and some alternatives to general relativity.… …   Wikipedia

• Moderne Tests der Lorentzinvarianz — dienen zur Überprüfung der grundlegenden Aussagen der speziellen Relativitätstheorie bzw. des Äquivalenzprinzips der allgemeinen Relativitätstheorie. Eine wesentliche Motivation dieser Experimente sind mögliche Verletzungen der Lorentzinvarianz,… …   Deutsch Wikipedia

• Hughes–Drever experiment — Hughes–Drever experiments (also clock comparison , clock anisotropy , mass isotropy , or energy isotropy experiments) are testing the isotropy of mass and space. As in Michelson–Morley experiments, the existence of a preferred frame of reference …   Wikipedia

• Hughes-Drever-Experiment — Hughes Drever Experimente (auch Uhrenvergleichs , Uhrenanisotropie , Massenisotropie , oder Energieisotropie Experimente) werden zur Überprüfung der Isotropie der Masse bzw. des Raumes eingesetzt. Diese Experimente testen grundlegende Aussagen… …   Deutsch Wikipedia

• Red — This article is about the color. For other uses, see Red (disambiguation). Red   Spectral coordinates  Wavelength 620–740 …   Wikipedia

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