gas maser oscillator
1Maser — 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… …
2maser — /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… …
3Astrophysical 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… …
4Microelectromechanical system oscillator — Microelectromechanical system (MEMS) oscillators are timing devices that generate highly stable reference frequencies. These reference frequencies are used to sequence electronic systems, manage data transfer, define radio frequencies, and… …
5Crystal oscillator — A miniature 4 MHz quartz crystal enclosed in a hermetically sealed HC 49/US package, used as the resonator in a crystal oscillator. A crystal oscillator is an electronic oscillator circuit that uses the mechanical resonance of a vibrating crystal …
6Modern 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.… …
7Moderne 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,… …
8Atomic clock — Nuclear clock redirects here. For the clock as a measure for risk of catastrophic destruction, see Doomsday Clock. For a clock updated by radio signals (commonly but inaccurately called an atomic clock ), see Radio clock. For the album by Zion I …
9Laser — For other uses, see Laser (disambiguation). United States Air Force laser experiment …
10electromagnetic radiation — Physics. radiation consisting of electromagnetic waves, including radio waves, infrared, visible light, ultraviolet, x rays, and gamma rays. [1950 55] * * * Energy propagated through free space or through a material medium in the form of… …
