Abstract：The standard variable temperature blackbody radiation sources (VTBBs) and comparison facility of effective radiance temperatures established at the National Institute of Metrology of China are introduced. The approaches of radiance temperature comparison with standard blackbodies and of radiance temperature dissemination using standard radiation thermometers for multi-wavelength(waveband) effective radiance temperature calibration of the customer’s VTBBs are described. Characteristics of the effective emissivity and the probe temperature difference of VTBBs under calibration are evaluated based on calibration results of two typical VTBBs. The characteristics of three traceable methods and the influences on application of VTBBs are analyzed. The temperature controlled reproducibility is a novel concept of the temperature controlled reproducibility presented here and a key parameter but ignored by researches and applications before. The multi-wavelength effective radiance temperature calibration is a new traceable approach which can reduce or eliminate the influences of the effective emissivity and the probe temperature difference, and complementary with the traditional traceable method using standard contact thermometer. This approach is useful for evaluation of the VTBBs’ effective emissivity and probe temperature difference, and can give an optimal result for the VTBBs and very good in temperature controlled reproducibility.
原遵东,郝小鹏,王景辉,王铁军,邢波,柏成玉,杨雪. 黑体辐射源的多波长有效亮度温度校准和不同溯源方式特点分析[J]. 计量学报, 2017, 38(2): 135-140.
YUAN Zun-dong, HAO Xiao-peng, WANG Jing-hui, WANG Tie-jun, XING Bo, BAI Cheng-yu, YANG Xue. Multi-wavelength Effective Radiance Temperature Calibration and Characteristics Analysis of Traceable Approaches of the Blackbody Radiation Sources. Acta Metrologica Sinica, 2017, 38(2): 135-140.
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2017, Vol. 38 
