Proceedings PaperSpectral flux measurements in the UV and VUV
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We have developed a new photometer by which spectral flux measurements are possible down to 180 nm nearly independent of size and shape of the UV lamp to be measured. The method consists in measuring and adding spectral irradiances on an envelope surface which surrounds the lamp. Lamp radiation is received by a special fiber optics and coupled into a fast array spectroradiometer. Measurements can be performed in an inert gas atmosphere.