photoluminescence

photoluminescence
photoluminescent, adj.
/foh'teuh looh'meuh nes"euhns/, n. Physics.
luminescence induced by the absorption of infrared radiation, visible light, or ultraviolet radiation.
[1885-90; PHOTO- + LUMINESCENCE]

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      emission of light from a substance as a result of absorption of electromagnetic radiation; such a substance is called a phosphor (q.v.), and the emitted light usually has a longer wavelength than the incident radiation.

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Universalium. 2010.

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  • photoluminescence — [ fɔtolyminesɑ̃s ] n. f. • 1906; de photo et luminescence ♦ Sc. Ensemble des phénomènes d émission, dans toutes les directions, de radiations visibles ou invisibles dont la longueur d onde est plus grande que celle des radiations excitatrices. ⇒… …   Encyclopédie Universelle

  • Photoluminescence — (abbreviated as PL) is a process in which a substance absorbs photons (electromagnetic radiation) and then re radiates photons. Quantum mechanically, this can be described as an excitation to a higher energy state and then a return to a lower… …   Wikipedia

  • Photoluminescence — Pho to*lu mi*nes cence, a. [Photo + luminescence.] (Physics) luminescence induced by exposure to light waves in the infrared to ultraviolet range. [Webster 1913 Suppl. +PJC] …   The Collaborative International Dictionary of English

  • photoluminescence — [fōt΄ō lo͞o΄mə nes′əns] n. luminescence in response to excitation by light, as in fluorescence and phosphorescence photoluminescent adj …   English World dictionary

  • Photoluminescence — La photoluminescence (PL) est un processus par lequel une substance absorbe des photons puis ré émet des photons. Sommaire 1 Principe 2 Utilisation 3 Systèmes de sécurité photoluminescents 4 …   Wikipédia en Français

  • photoluminescence — fotoliuminescencija statusas T sritis automatika atitikmenys: angl. photoluminescence vok. Photolumineszenz, f rus. фотолюминесценция, f pranc. photoluminescence, f …   Automatikos terminų žodynas

  • photoluminescence — fotoliuminescencija statusas T sritis fizika atitikmenys: angl. photoluminescence vok. Photolumineszenz, f rus. фотолюминесценция, f pranc. photoluminescence, f …   Fizikos terminų žodynas

  • photoluminescence — fotoliuminescencija statusas T sritis chemija apibrėžtis Regimosios arba ultravioletinės šviesos sukelta liuminescencija. atitikmenys: angl. photoluminescence rus. фотолюминесценция …   Chemijos terminų aiškinamasis žodynas

  • photoluminescence — noun luminescence following the absorption of a photon. See Also: photoluminescent …   Wiktionary

  • photoluminescence — pho·to·lu·mi·nes·cence .fōt ō .lü mə nes ən(t)s n luminescence in which the excitation is produced by visible or invisible light pho·to·lu·mi·nes·cent nes ənt adj * * * pho·to·lu·min·es·cence (fo″to loo″mĭ nesґəns) the… …   Medical dictionary

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