Anti-Stokes phosphors
These phosphors are used for conversion of IR-emission into visible emission of various colours.
Anti-Stokes phosphors
Application:
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visualization of IR-emission for scientific and practical purposes (IR-laser alignment, marking the dangerous zones of industrial lasers, creation of semiconductor LEDs for various application);
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for marking documents and securities.
Advantages
The possibility to use as one of the optical protection methods for securities and documents from forgery.