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Improved Accuracy Tristimulus Colorimeters Calibrated With Standard



George P. Eppeldauer


A new method has been developed to calibrate tristimulus colorimeters for high accuracy color measurements. Instead of traditional lamp standards, modern, high accuracy detector standards are suggested for calibration. After high accuracy absolute spectral response determination of the tristimulus receivers, color (spectral) correction and peak (amplitude) normalization can minimize uncertainties caused by imperfect realizations of the Commission Internationale de l'Eclairage (CIE) color matching functions. As a result of the corrections, stable light sources of different spectral power distributions can be measured with an accuracy dominated by the sub 0.1% uncertainty of novel spectral response determinations.
Proceedings Title
18th Congress of the International Commission for Optics
Conference Dates
August 2-6, 1999
Conference Title
International Commission for Optics


chromaticity coordinates, color calibration, color temperature, colorimetry, detector standard, photometry, spectral responsivity, tristimulus values


Eppeldauer, G. (1999), Improved Accuracy Tristimulus Colorimeters Calibrated With Standard, 18th Congress of the International Commission for Optics (Accessed April 18, 2024)
Created August 6, 1999, Updated June 13, 2017