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Luminescence

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Definition: light emission which is not caused by heating

Luminescence is a collective term for different phenomena where a substance emits light without being strongly heated, i.e. the emission is not simply thermal radiation. This definition is also reflected by the term “cold light”.

Important kinds of luminescence are:

See also: fluorescence, metastable states

Category: physical foundations

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You can get technical consulting from the author, Dr. Rüdiger Paschotta.

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