Microfadeometry

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      1. <skos:prefLabel xml:lang="en">microfadeometry</skos:prefLabel>

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      3. <skos:note xml:lang="en">Microfadeometry is a recently developed technique that measures color changes and evaluates light stability in individual objects of art that are sensitive to light exposure. A microfade tester (MFT) uses a powerful xenon arc lamp and filters to focus a beam of very intense light through a fiber optic onto a tiny spot on the surface of the artwork. A second fiber optic collects the reflected light and delivers it to a miniature spectrometer. As the lamp fades the surface of the artwork, the resulting color change is monitored by the spectrometer.</skos:note>

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