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Utilization of absolute radiometer for calibration of selective detectors

机译:利用绝对辐射计校准选择性探测器

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Abstract: A high-precision absolute electrical substitution radiometer with a thermally stabilized cavity as a receiving element was designed at VNIIOFI and used to derive the Russian Special Standard of the solar irradiance. This nonselective radiometer is used in the measuring range from 50 to 2000 W/m$+2$/ with uncertainty of 0.1% and from 1 to 50 W/m$+2$/ with uncertainty not more than 0.5%. Measurement and data processing in the radiometer are completely automated. The method using this absolute radiometer was realized for calibration of solar cells and other selective detectors. For example we have calibrated different detectors based on photodiodes with filters used for measuring the solar irradiance in spectral regions: 0.29 - 0.34 $mu@m, 0.34 - 0.39 $mu@m, 0.38 - 1.10 $mu@m. This method includes the relative measurements of spectral sensitivity of photodetectors, filters transmittance, spectral irradiance of sources of radiation, and absolute calibration of photodetectors using the absolute radiometer. !5
机译:摘要:VNIIOFI设计了一种以热稳定腔为接收元件的高精度绝对电代换辐射计,用于推导俄罗斯的太阳辐射特别标准。该非选择性辐射计的测量范围为50至2000 W / m $ + 2 $ /,不确定度为0.1%;从1至50 W / m $ + 2 $ /,不确定度不超过0.5%。辐射计中的测量和数据处理是完全自动化的。实现了使用这种绝对辐射计的方法来校准太阳能电池和其他选择性检测器。例如,我们已经基于带有用于测量光谱区域中太阳辐照度的滤光片的光电二极管校准了不同的检测器:0.29-0.34 $ mu @ m,0.34-0.39 $ mu @ m,0.38-1.10 $ mu @ m。该方法包括光电探测器光谱灵敏度的相对测量,滤光器透射率,辐射源的光谱辐照度以及使用绝对辐射计对光电探测器的绝对校准。 !5

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