excited mode
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Mode-locking — is a technique in optics by which a laser can be made to produce pulses of light of extremely short duration, on the order of picoseconds (10−12 s) or femtoseconds (10−15 s). The basis of the technique is to induce a fixed phase… … Wikipedia
Surface-wave-sustained mode — Plasmas that are excited by propagation of electromagnetic surface waves are called surface wave sustained. Surface wave plasma sources can be divided into two groups depending upon whether the plasma generates part of its own waveguide by… … Wikipedia
Selectable mode vocoder — o SMV es un estándar de codificación de voz de tasa de bits variable, usado en redes CDMA2000.[1] SMV usa distintos modos de operación que son seleccionanos en base a las características de la voz usada como entrada. Constituyen una de las… … Wikipedia Español
Guided-mode resonance — or waveguide mode resonance is a phenomenon wherein the guided modes of an optical waveguide can be excited and simultaneously extracted by the introduction of a phase matching element such as a diffraction gratingor . Such guided modes are also… … Wikipedia
Polarization mode dispersion — (PMD) is a form of modal dispersion where two different polarizations of light in a waveguide, which normally travel at the same speed, travel at different speeds due to random imperfections and asymmetries, causing random spreading of optical… … Wikipedia
Resonator mode — In the resonator mode, the plasma density does not exceed the critical density. A standing electromagnetic wave, which is confined by a resonator cavity, penetrates the plasma and sustains it in the regions of highest fieldintensity. The geometry … Wikipedia
An Experimental Enquiry Concerning the Source of the Heat which is Excited by Friction — BackgroundRumford was an opponent of the caloric theory of heat which held that heat was a fluid that could be neither created nor destroyed. He had further developed the view that all gases and liquids were absolute non conductors of heat. His… … Wikipedia
Asiatic mode of production — Of all Karl Marx s conceptions of the modes of production which he considered to have provided the base for the various forms of society known to human history, this was perhaps the least developed, and is certainly the one that has given rise to … Dictionary of sociology
Modelocking — Mode locking is a technique in optics by which a laser can be made to produce pulses of light of extremely short duration, on the order of picoseconds (10 12s) or femtoseconds (10 15s).The basis of the technique is to induce a fixed phase… … Wikipedia
metastable state — Excited state (see excitation) of an atom, nucleus, or other system that has a longer lifetime than the ordinary excited states and generally has a shorter lifetime than the ground state. It can be considered a temporary energy trap or a somewhat … Universalium
radiation measurement — ▪ technology Introduction technique for detecting the intensity and characteristics of ionizing radiation, such as alpha, beta, and gamma rays or neutrons, for the purpose of measurement. The term ionizing radiation refers to those… … Universalium
