Realization of an infrared spectroradiometer.
This paper describes a fully automatic spectroradiometer designed to measure the absolute spectral irradiance of light sources in the 800-2400-nm spectral range by direct comparison of radiation sources with a standard source, both placed the same distance away. The total estimated uncertainty in the comparison process is <1%, which, added to the standard source uncertainty, allows us to obtain the absolute spectral irradiance values of sources in this spectral range with an accuracy of better than 3%.
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Campos
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