UV-VIS-NIR luminescence
UV-VIS-NIR emission

The absorption of an electromagnetic radiation promotes the population of an excited electronic state of a molecular species. This excited state rapidly dissipates its energy and this phenomenon can happen via a so-called radiative pathway, producing characteristic emission of photons in the UV-VIS-NIR spectral ranges, commonly called fluorescence. The fluorescence measurements are particularly indicated for the characterization of several organic dyes as well as luminescent pigments such as zinc oxide, cadmium based pigments and Egyptian blue.

Uv-vis-nir fluorescence spectroscopy

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