application of phosphor

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• Phosphor thermometry — is an optical method for surface temperature measurement. The method exploits luminescence emitted by phosphor material. Phosphors are fine white or pastel colored inorganic powders which may be stimulated by any of a variety of means to… …   Wikipedia

• Phosphor — A phosphor is a substance that exhibits the phenomenon of phosphorescence (sustained glowing after exposure to energized particles such as electrons).Phosphors are transition metal compounds or rare earth compounds of various types. The most… …   Wikipedia

• luminescence — luminescent, adj. /looh meuh nes euhns/, n. 1. the emission of light not caused by incandescence and occurring at a temperature below that of incandescent bodies. 2. the light produced by such an emission. [1885 90; < L lumin (see LUMEN) +… …   Universalium

• Fluorescent lamp — A fluorescent lamp or fluorescent tube is a gas discharge lamp that uses electricity to excite mercury vapor. The excited mercury atoms produce short wave ultraviolet light that then causes a phosphor to fluoresce, producing visible light.Unlike… …   Wikipedia

• Light-emitting diode — LED redirects here. For other uses, see LED (disambiguation). Light emitting diode Red, pure green and blue LEDs of the 5mm diffused type Type Passive, optoelectronic Working principle Electr …   Wikipedia

• Cathode ray tube — Cutaway rendering of a color CRT: 1. Three Electron guns (for red, green, and blue phosphor dots) 2. Electron beams 3. Focusing coils 4. Deflection coils 5. Anode connection 6. Mask for separating beams for red,… …   Wikipedia

• 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

• rare-earth element — /rair errth /, Chem. any of a group of closely related metallic elements, comprising the lanthanides, scandium, and yttrium, that are chemically similar by virtue of having the same number of valence electrons. Also called rare earth metal. [1955 …   Universalium

• Neon sign — …   Wikipedia

• Idiotendreieck — Merksprüche (auch Eselsbrücken ) dienen dem leichteren Merken von Fakten, Daten und Zusammenhängen durch einprägsame Sprüche. Eine detaillierte Erläuterung steht unter Merkspruch. Inhaltsverzeichnis 1 Sprache 1.1 Altgriechisch 1.2 Althebräisch… …   Deutsch Wikipedia

• Liste der Merksprüche — Merksprüche (auch Eselsbrücken ) dienen dem leichteren Merken von Fakten, Daten und Zusammenhängen durch einprägsame Sprüche. Eine detaillierte Erläuterung steht unter Merkspruch. Inhaltsverzeichnis 1 Sprache 1.1 Altgriechisch 1.2 Althebräisch… …   Deutsch Wikipedia