Design of infrared transfer standard radiometer for medium and low temperature blackbody calibration

Lei Zhang; Shuai Zhao; Yu Yang; Keyi Wang; Wenbin Xu; Hongwu Yuan; Bolin Cai

doi:10.1117/12.2661200

9 December 2022 Design of infrared transfer standard radiometer for medium and low temperature blackbody calibration

Lei Zhang, Shuai Zhao, Yu Yang, Keyi Wang, Wenbin Xu, Hongwu Yuan, Bolin Cai

Proceedings Volume 12492, International Workshop on Automation, Control, and Communication Engineering (IWACCE 2022); 124920G (2022) https://doi.org/10.1117/12.2661200
Event: International Workshop on Automation, Control, and Communication Engineering (IWACCE 2022), 2022, Wuhan, China

Abstract

As a standard light source, medium and low temperature blackbody is widely used in the field of quantitative infrared remote sensing, so it is urgent to improve its calibration accuracy. This paper studies the calibration method of medium and low temperature blackbody radiation temperature based on standard transfer detector, and designs a dual channel thermal infrared transfer standard radiometer. The radiometer adopts optical path structure with achromatic off-axis reflection, its optical mechanical system is placed in liquid nitrogen refrigeration vacuum Dewar, and an optical chopper is used to improve the systematic noise ratio. Finally, through the correction experiment of commercial blackbody radiation temperature, we found that there is a certain deviation at different temperature points, and its maximum value is 3.22k. The results prove the effectiveness of the design.

Citation Download Citation

Lei Zhang, Shuai Zhao, Yu Yang, Keyi Wang, Wenbin Xu, Hongwu Yuan, and Bolin Cai "Design of infrared transfer standard radiometer for medium and low temperature blackbody calibration", Proc. SPIE 12492, International Workshop on Automation, Control, and Communication Engineering (IWACCE 2022), 124920G (9 December 2022); https://doi.org/10.1117/12.2661200

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KEYWORDS

Black bodies

Radiometry

Infrared radiation

Calibration

Temperature metrology

Sensors

Standards development

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