Abstract：Standard of responsivity of optical detector at laser wavelengths is established based on the cryogenic radiometer.Performance of the standard facility is characterized,and the uncertainty evaluation test for the effective radiant heating power is applied.The responsivity of the standard detectors,a group of trap detectors,is measured at ten wavelengths of He-Ne,Ar+Kr+ and Ti sapphire lasers.The measurement uncertainties are 0.8×10-4 at He-Ne and Ar+Kr+ laser wavelengths and reaches 1.1×10-4 at Ti sapphire laser wavelengths.The influence of spatial non-uniformity,non-linearity, polarization dependence,angular dependence on responsivity of the standard detector is investigated.
林延东,吕亮. 基于低温辐射计的光探测器响应度基准[J]. 计量学报, 2012, 33(6): 494-498.
LIN Yan-dong,Lü Liang. Responsivity Standard of Optical Detector Based on the Cryogenic Radiometer. Acta Metrologica Sinica, 2012, 33(6): 494-498.
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2012, Vol. 33 
