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Definition: light emission which is not caused by heating

German: Lumineszenz

Category: physical foundations

How to cite the article; suggest additional literature

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
and other articles in the category physical foundations

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