Development of Wide Field-of-View Cavity Radiometer for Solar Simulator Use and Intercomparison between Irradiance Measurements based on the World Radiometer Reference and Electrotechnical Laboratory Scales

概要

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We have developed wide field-of-view cavity radiometers which can be used under the solar simulator radiation and are traceable to the World Radiometer Reference (WRR) scale. Simultaneous measurements of direct solar radiation were performed with these new instruments and the official standard radiometer PMO-6 which was used to maintain the WRR scale in Japan. The results show good agreement within the range of accuracy of the instruments and clarify the relationship of the new instruments to the WRR scale. In addition, the solar simulator irradiance measured by the new instruments was compared with the integrated irradiance measured by the spectroradiometer calibrated against the Electrotechnical Laboratory (ETL) spectral irradiance scale which was employed for the reference cell calibration in Japan. Consequently, we found that the irradiance based on the WRR scale was about 2% lower than the integrated irradiance based on the ETL spectral irradiance scale.
社団法人応用物理学会の論文
2002-08-15