DOI 10.17586/0021-3454-2022-65-6-413-419
UDC 677.616.41
MEASURING THE PAINT LAYER OPTICAL PARAMETERS WITH A COLORIMETRIC INSTRUMENT
Saint-Petersburg state university of aerospace instrumentation; Associate professor
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Abstract. A colorimetric device is presented that determines not only the level of color correspondence between the test sample and the standard, but also provides measurements of optical reflection spectra in the wavelength range λ = 380–760 nm. The device uses special software to calculate, based on spectral data, the color coordinates of the object in a specified colorimetric system. Metal plates painted in white metallic, silver-light gray, silver-green, silver-red, silver-black colors were studied. Spectral dependences of the diffuse reflection coefficient for each sample under study are obtained.
Keywords: double-beam polychromator, colorimeter, color, diffuse reflection coefficient, integrating sphere, wavelength range
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