低温辐射计计量比对研究

doi:10.3969/j.issn.1000-1158.2022.05.03

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Abstract Cryogenic radiometer is by far the most accurate measurement system of optical radiant power, which is the fundamental quantity of detector based radiometry. In order to verify the consistency of the measurement values among different laboratories, a measurement comparison of cryogenic radiometers was organized by National Institute of Metrology as pilot laboratory, participating laboratories include the 41st Research Institute of China Electronics Technology Group Corporation and Xian Institute of Applied Optics. The comparison method, transfer standard and measurement facilities are presented, and the comparison results are analyzed. The comparison results show that the deviation of each laboratory relative to the reference value is within ±0.02%, and the comparison results prove the consistency of scales realized from different types of cryogenic radiometers in each laboratory.

Key words： metrology;cryogenic radiometer optical radiant power trap photodetector spectral responsivity;measurement comparison

Received: 09 March 2022 Published: 18 May 2022

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TB96

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	Articles by authors
	XU Nan
	YU Bing
	SHI Xue-shun
	ZHANG Peng-ju
	FAN Ji-hong
	LIU Zhi-wei
	LIN Yan-dong

Cite this article:

XU Nan,YU Bing,SHI Xue-shun, et al. Research on Measurement Comparison of Cryogenic Radiometers[J]. Acta Metrologica Sinica, 2022, 43(5): 578-582.

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http://jlxb.china-csm.org:81/Jwk_jlxb/EN/10.3969/j.issn.1000-1158.2022.05.03 OR http://jlxb.china-csm.org:81/Jwk_jlxb/EN/Y2022/V43/I5/578

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