Research on temperature calibration of extended area blackbody based on two-point multi-section linear correction algorithm

Shun-li Han; Wei-liang Hu; Wen-jian Luo; Rui-xia Wang

doi:10.1117/12.2031633

30 August 2013 Research on temperature calibration of extended area blackbody based on two-point multi-section linear correction algorithm

Shun-li Han, Wei-liang Hu, Wen-jian Luo, Rui-xia Wang

Author Affiliations +

Proceedings Volume 8910, International Symposium on Photoelectronic Detection and Imaging 2013: Imaging Spectrometer Technologies and Applications; 891008 (2013) https://doi.org/10.1117/12.2031633
Event: ISPDI 2013 - Fifth International Symposium on Photoelectronic Detection and Imaging, 2013, Beijing, China

Abstract

The spectral radiation of extended area blackbody source is widely used to provide a reference for absolute temperature in infrared test and calibration. Thus the temperature accuracy of extended area blackbody is a critical parameter to determine the performance of test and calibration system. The temperature of emissive surface is measured and controlled by Platinum resistance temperature sensor. A variety of techniques have been developed for improving the temperature accuracy of extended area blackbody. In order to overcome nonlinear error caused by the Platinum resistance temperature sensor, a calibration method based on two-point multi-section linear correction algorithm is proposed. The tests verify that the method enhances the calibration accuracy of temperature accuracy of extended area blackbody and satisfies the requirements of high precision tests on metrological quality.

Citation Download Citation

Shun-li Han, Wei-liang Hu, Wen-jian Luo, and Rui-xia Wang "Research on temperature calibration of extended area blackbody based on two-point multi-section linear correction algorithm", Proc. SPIE 8910, International Symposium on Photoelectronic Detection and Imaging 2013: Imaging Spectrometer Technologies and Applications, 891008 (30 August 2013); https://doi.org/10.1117/12.2031633

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