- phosphorescence afterglow
- • луминесцентно послесветене
English-Bulgarian polytechnical dictionary . 2013.
phosphorescence afterglow
Look at other dictionaries:
phosphorescence — /fos feuh res euhns/, n. 1. the property of being luminous at temperatures below incandescence, as from slow oxidation in the case of phosphorus or after exposure to light or other radiation. 2. a luminous appearance resulting from this. 3. any… … Universalium
Phosphorescence — As these transitions occur less often in certain materials, absorbed radiation may be re emitted at a lower intensity for up to several hours.The study of phosphorescent materials led to the discovery of radioactivity in 1896. Explanations of the … Wikipedia
afterglow — /af teuhr gloh , ahf /, n. 1. the glow frequently seen in the sky after sunset; afterlight. 2. a second or secondary glow, as in heated metal before it ceases to become incandescent. 3. the pleasant remembrance of a past experience, glory, etc.:… … Universalium
afterglow — af•ter•glow [[t]ˈæf tərˌgloʊ, ˈɑf [/t]] n. 1) mer the glow frequently seen in the sky after sunset 2) the pleasant remembrance of a past experience, glory, etc 3) phosphorescence 3) • Etymology: 1870–75 … From formal English to slang
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
fluorescence — /floo res euhns, flaw , floh /, n. Physics, Chem. 1. the emission of radiation, esp. of visible light, by a substance during exposure to external radiation, as light or x rays. Cf. phosphorescence (def. 1). 2. the property possessed by a… … Universalium
Optical phenomenon — An optical phenomenon is any observable event that results from the interaction of light and matter. See also list of optical topics and optics. A mirage is an example of an optical phenomenon. Common optical phenomena are often due to the… … Wikipedia
List of optical topics — Probably some Wikipedia articles on topics in optics are not yet listed on this page. If you cannot find the topic you are interested in on this page, the article may nonetheless exist; you can try to find it using the Search box, or look in and… … Wikipedia
Strontium aluminate — (SRA, SrAl, StrontiumAluminum2Oxygen4) is a solid odorless nonflammable pale yellow powder, heavier than water. It is chemically and biologically inert. When activated with a suitable dopant (eg. europium, then it is labeled SrAl2O4:Eu), it acts… … Wikipedia
Index of optics articles — Optics is the branch of physics which involves the behavior and properties of light, including its interactions with matter and the construction of instruments that use or detect it.[1] Optics usually describes the behavior of visible,… … Wikipedia
