perfect absorber
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Coherent perfect absorber — A Coherent perfect absorber (CPA), or anti laser, is a device which absorbs coherent light and converts it to some form of internal energy such as heat or electrical energy.[1][2] It is the time reversed counterpart of a laser.[3] The concept was … Wikipedia
Perfect World (MMORPG) — Saltar a navegación, búsqueda Perfect World Desarrolladora(s) Beijing Perfect World Distribuidora(s) … Wikipedia Español
Metamaterial absorber — A metamaterial absorber manipulates the loss components of the complex effective parameters, permittivity and magnetic permeability of metamaterials, to create a material with particularly high absorption. Loss is noted in applications of… … Wikipedia
thermal radiation — Thermodynam. electromagnetic radiation emitted by all matter above a temperature of absolute zero because of the thermal motion of atomic particles. [1930 35] * * * Process by which energy is emitted by a warm surface. The energy is… … Universalium
Black — infobox color textcolor=white title=Black hex=000000 symbolism = lack, evil, darkness, bad luck, crime, mystery, silence, concealment, elegance, execution, end, chaos, death, and secrecy r=0|g=0|b=0 c=0|m=0|y=0|k=100 h= |s= |v=0 spelling=Color… … Wikipedia
Absorptivity — In a solar thermal system, the ratio of solar energy striking the absorber that is absorbed by the absorber to that of solar energy striking a black body (perfect absorber) at the same temperature. The absorptivity of a material is numerically… … Energy terms
Constitutive equation — Many defining equations are in the form of a constitutive equation, since parameters of a property or effect associated matter are characteristic to the substance in question. A large number of other defining equations not specifically… … Wikipedia
Introduction to quantum mechanics — This article is an accessible, non technical introduction to the subject. For the main encyclopedia article, see Quantum mechanics. Quantum mechanics … Wikipedia
blackbody — /blak bod ee/, n., pl. blackbodies. Physics. a hypothetical body that absorbs without reflection all of the electromagnetic radiation incident on its surface. Also called perfect radiator. [1700 10] * * * Theoretical surface that absorbs all… … Universalium
Антилазер — Антилазер популярное название когерентного идеального поглотителя, то есть механизма поглощения когерентного светового излучения с определённой длиной волны.[1][2] При этом энергия излучения преобразуется в тепловую энергию.[3] Концепция… … Википедия
sabin — noun Etymology: Wallace C. W. Sabine died 1919 American physicist Date: 1934 a unit of acoustic absorption equivalent to the absorption by one square foot of a perfect absorber … New Collegiate Dictionary
