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Fluorescent minerals emit visible light when exposed to ultraviolet. ... glow-in-the-dark stickers are phosphorescent, ... high brightness paper, cosmetics, ...
Flash photo of car with reflective stickers Flash photo of moped with retroreflective sheeting tape Retroreflective sheeting is flexible retroreflective material primarily used to increase the nighttime conspicuity of traffic signs , high-visibility clothing , and other items so they are safely and effectively visible in the light of an ...
In 1974 Becky Schroeder was given a US patent for her invention of the "Glow Sheet" which used phosphorescent lines under writing paper to help people write in low-light conditions. [ 28 ] Glow in the dark material is added to the plastic blend used in injection molds to make some disc golf discs, which allow the game to be played at night.
Paper brightness is typically measured at 457 nm, well within the fluorescent activity range of brighteners. [5] Paper used for banknotes does not contain optical brighteners, so a common method for detecting counterfeit notes is to check for fluorescence. Optical brighteners have also found use in cosmetics. One application is to formulas for ...
An ultraviolet (UV) marker is a pen whose marks are fluorescent but transparent; the marks can be seen only under an ultraviolet light. They are commonly used in security situations to identify belongings or to prevent the reproduction of unauthorized banknotes. UV pens can now be bought at some stationery shops to securely mark items of high ...
Trichromatic fluorescent lamps BaMg 2 Al 16 O 27:Eu(II) Blue 450 nm 52 nm – Lamp Trichromatic fluorescent lamps [34] BAM BaMgAl 10 O 17:Eu,Mn Blue-Green 456 nm,514 nm – – Lamp – BaMg 2 Al 16 O 27:Eu(II),Mn(II) Blue-Green 456 nm, 514 nm 50 nm 50% [34] – Lamp Ce 0.67 Tb 0.33 MgAl 11 O 19:Ce,Tb Green 543 nm – – Lamp Trichromatic ...
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