基于积分球反射法的面辐射源发射率分布测量研究

doi:10.3969/j.issn.1000-1158.2023.04.02

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Abstract The measurement of emissivity distribution characteristics is an important basis for evaluating the radiation uniformity of large-aperture radiation sources, but the related research is relatively scarce at present. Therefore, a measurement system for the emissivity distribution characteristics of the infrared radiation source is designed and built based on complete hemispherical laser integrated reflection scheme. The performance of the measurement system is studied, the stability of the laser light source subsystem is evaluated, and the experiment of measuring the emissivity distribution characteristics of surface radiation source is carried out at 3 W laser power. The results show that the measurement system has good stability. Taking the surface of standard gold plate as the research object, the repeatability of multiple measurement results is 0.30%; The experimental measurement of emissivity distribution of carbon based surface radiation source is carried out, and the distribution cloud map of emissivity of surface radiation source is obtained, the uniformity of emissivity is 98.1%.

Key words： metrology integrating sphere reflection method flat plate radiation source infrared emissivity line scan

Received: 17 May 2022 Published: 18 April 2023

PACS:

TB941

Fund:Research on measurement technology of spatial distribution of radiation characteristics of blackbody surface source and complex structure

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	Articles by authors
	LIU Guang-yu
	HUAN Ke-wei
	AN Bao-lin
	DONG Wei
	ZHAO Yun-long
	SONG Xu-yao
	YUAN Zun-dong

Cite this article:

LIU Guang-yu,HUAN Ke-wei,AN Bao-lin, et al. Study on the Measurement of the Emissivity Distribution of Flat PlateRadiation Source Based on the Integrating Sphere Reflection Method[J]. Acta Metrologica Sinica, 2023, 44(4): 503-507.

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http://jlxb.china-csm.org:81/Jwk_jlxb/EN/10.3969/j.issn.1000-1158.2023.04.02 OR http://jlxb.china-csm.org:81/Jwk_jlxb/EN/Y2023/V44/I4/503

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