Photoluminescence of Color Filter Glasses

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Abstract
The photoluminescence of color filter glasses (as typified by the complete Corning filter glass set) is characterized. Emission, excitation spectra, and decay times are determined, and quantum yield is estimated. For many of the filters, the quantum yield and range of excitation are such that fluorescence can be a (perhaps unrecognized) problem when these filters are used in a long-bandpass mode. Furthermore, interference filters are often not free from filter fluorescence because fluorescent glasses are commonly used as a substrate or as protection for the dielectric layers.

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