CIE 053-1982

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Methods of characterizing the performance of radiometers and photometers

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CIE 053-1982
Procedures are outlined for characterizing the performance of radiometers, with special attention to photometers. Quantitative methods are given for evaluating the most important errors. These include:-\n--\n- systematic calibration errors;-\n- errors caused by non-standard spectral response;-\n- non-standard spatial evaluation of-\n- irradiance (illuminance),-\n- spherical irradiance (illuminance),-\n- cylindrical irradiance (illuminance) or-\n- radiance (luminance);-\n- non-linearity;-\n- fatigue;-\n- temperature coefficient.-\n--\n--\n-Ways of judging the significance of less important aspects are suggested. These include:-\n--\n- effect of modulated radiation;-\n- influence of polarization;-\n- non-uniform response;-\n- detector instability;-\n- zero drift.-\n--\n--\n-The report deals with general problems of evaluation of photometric and radiometric instruments. Numerical requirements for individual types of instruments in later reports are not included.-\n--\n-The report includes tables of the relative spectral distributions of five special sources that can be used to estimate the quality of the V(lambda) correction of photometer heads.-\n--\n-This Technical Report has been supplemented by CIE 69-1987 Methods of Characterizing Illuminance Meters and Luminance Meters. Keywords: photometers, radiometers, spectral responsivity
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