NIM和VNIIOFI光谱辐射照度双边比对

doi:10.3969/j.issn.1000-1158.2016.04.03

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Abstract With the new spectral irradiance measurement facility based on blackbody BB3500M of NIM (National Institute of Metrology), a bilateral spectral irradiance comparison was carried out between NIM and VNIIOFI (All Russian Research Institute for Optical and Physical Measurements) in the spectral wavelength from 250 nm to 2500 nm in the period from December 2014 to January 2015. The temperature measurement of the high temperature blackbodies were traced to the Pt-C and Re-C fixed point blackbodies and checked against the WC-C fixed-point blackbody for the two institutes respectively. The consistency of the temperature at 3021K is better than 70mK. The comparison result shows that the average relative deviation of spectral irradiance at the 44 wavelengths is 0.45%. The consistency is better than 0.9% except the maximum deviation 1.1% at the wavelength of 2000nm. The spectral irradiance units measured by NIM and VNIIOFI in this comparison are in agreement within the combined standard uncertainties of the laboratories over the wavelength range compared.

Key words： metrology spectral irradiance international comparison high temperature blackbody temperature measurement

Received: 31 August 2015 Published: 31 May 2016

PACS:

TB96

Corresponding Authors: Cai-hong DAI E-mail: daicaihong@nim.ac.cn

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	Articles by authors
	DAI Cai-hong
	WU Zhi-feng
	WANG Yan-fei
	LIN Yan-dong
	Boris Khlevnoy

Cite this article:

DAI Cai-hong,WU Zhi-feng,WANG Yan-fei, et al. Bilateral Comparison of Spectral Irradiance between NIM and VNIIOFI[J]. Acta Metrologica Sinica, 2016, 37(4): 347-351.

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http://jlxb.china-csm.org:81/Jwk_jlxb/EN/10.3969/j.issn.1000-1158.2016.04.03 OR http://jlxb.china-csm.org:81/Jwk_jlxb/EN/Y2016/V37/I4/347