blackbody absorber

См. также в других словарях:

• 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

• electromagnetic 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… …   Universalium

• Black body — As the temperature decreases, the peak of the blackbody radiation curve moves to lower intensities and longer wavelengths. The blackbody radiation graph is also compared with the classical model of Rayleigh and Jeans …   Wikipedia

• Planck, Max — ▪ German physicist Introduction in full  Max Karl Ernst Ludwig Planck   born April 23, 1858, Kiel, Schleswig [Germany] died Oct. 4, 1947, Göttingen, W.Ger.  theoretical physicist who originated quantum theory, which won him the Nobel Prize for… …   Universalium

• 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

• quantum mechanics — quantum mechanical, adj. Physics. a theory of the mechanics of atoms, molecules, and other physical systems that are subject to the uncertainty principle. Abbr.: QM Cf. nonrelativistic quantum mechanics, relativistic quantum mechanics. [1920 25]… …   Universalium

• Gamma ray burst emission mechanisms — are theories that explain how the energy from a gamma ray burst progenitor (regardless of the actual nature of the progenitor) is turned into radiation. These mechanisms are a major topic of research as of 2007. Neither the light curves nor the… …   Wikipedia

• Optical properties of carbon nanotubes — Contents 1 Terminology 2 Electronic structure of carbon nanotube 3 Van Hove singularities …   Wikipedia

• Planck's constant — Physics. the fundamental constant of quantum mechanics, expressing the ratio of the energy of one quantum of radiation to the frequency of the radiation and approximately equal to 6.624 × 10 27 erg seconds. Symbol: h Also, Planck constant. [1905… …   Universalium

• Planck's constant — plaŋ(k)s , pläŋ(k)s n a constant that gives the unvarying ratio of the energy of a quantum of radiation to its frequency and that has an approximate value of 6.626 × 10 34 joule second symbol h Planck pläŋk Max Karl Ernst Ludwig (1858 1947)… …   Medical dictionary