microwave discharge in a resonator

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• Microwave plasma — is a type of plasma, that has high frequency electromagnetic radiation in the GHz range. It is capable of exciting electrodeless gas discharges. Properties of microwave excited plasma If applied in surface wave sustained mode, they are especially …   Wikipedia

• Resonator — A resonator is a device or system that exhibits resonance or resonant behavior, that is, it naturally oscillates at some frequencies, called its resonance frequencies, with greater amplitude than at others. Although its usage has broadened, the… …   Wikipedia

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• Dielectric — A dielectric is an electrical insulator that can be polarized by an applied electric field. When a dielectric is placed in an electric field, electric charges do not flow through the material, as in a conductor, but only slightly shift from their …   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

• Wireless energy transfer — or wireless power is the transmission of electrical energy from a power source to an electrical load without artificial interconnecting conductors. Wireless transmission is useful in cases where interconnecting wires are inconvenient, hazardous,… …   Wikipedia

• Ball lightning — is an atmospheric electrical phenomenon, the physical nature of which is still controversial. The term refers to reports of luminous, usually spherical objects which vary from pea sized to several meters in diameter. It is sometimes associated… …   Wikipedia

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• Invention of radio — Great Radio Controversy redirects here. For the album by the band Tesla, see The Great Radio Controversy. Contents 1 Physics of wireless signalling 2 Theory of electromagnetism …   Wikipedia

• 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

• Ceravision — is a privately owned lighting company based in Bletchley Park, UK. Ceravision is the inventor of a range of electrodeless lamps and integrated luminaires under the trade name Alvara, the world s first High Efficiency Plasma (HEP) lamp. [1] [2]… …   Wikipedia