Design and research on calibration method of multi-channel self-calibration infrared radiation thermometer

Chenyu Xie; Jian Song; Yang Liu; Yan Cui; Jingjing Zhou; Xiaopeng Hao

doi:10.1117/12.2606856

24 November 2021 Design and research on calibration method of multi-channel self-calibration infrared radiation thermometer

Chenyu Xie, Jian Song, Yang Liu, Yan Cui, Jingjing Zhou, Xiaopeng Hao

Author Affiliations +

Proceedings Volume 12061, AOPC 2021: Infrared Device and Infrared Technology; 120611M (2021) https://doi.org/10.1117/12.2606856
Event: Applied Optics and Photonics China 2021, 2021, Beijing, China

Abstract

Field radiometric calibration is an important technical means to ensure the observation accuracy of satellite remote sensors on-orbit operation. Accurately obtaining the spectral radiometric characteristics of the site is of great significance to improve the accuracy of field radiometric calibration. In order to better meet the field calibration requirements of thermal infrared band satellite remote sensors, a Multi-channel Self-calibration Infrared Radiation Thermometer (MSIRT) with automatic observation capabilities has been developed, which is used to measure the atmospheric downward radiance and ground surface radiance in field. In this paper, the structure, working principle and laboratory calibration of the MSIRT was introduced. In optical design, the automatic switching of four spectral channels in the range of 8 ~ 14μm was realized by using the filter wheel, and the instrument was equipped with an ambient temperature blackbody and a heated blackbody, respectively. The real-time calibration of the detector can be realized through the alternate measurement of high and low temperature blackbody, which ensures the high precision measurement requirements. The developed instrument also has the ability of automatic observation and remote data transmission. In the laboratory calibration of MSIRT, the liquid bath blackbody was used as the standard radiation source, and the calibration uncertainty was 0.5 %, corresponding uncertainty of the equivalent radiance temperature was 0.3 K (@ 303 K, 11 μm). The experimental results show that the MSIRT can meet the measurement requirements of high precision, and has important applications in the field calibration of thermal infrared satellite remote sensor.

Citation Download Citation

Chenyu Xie, Jian Song, Yang Liu, Yan Cui, Jingjing Zhou, and Xiaopeng Hao "Design and research on calibration method of multi-channel self-calibration infrared radiation thermometer", Proc. SPIE 12061, AOPC 2021: Infrared Device and Infrared Technology, 120611M (24 November 2021); https://doi.org/10.1117/12.2606856

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available

Members: $17.00

Non-members: $21.00 ADD TO CART

PROCEEDINGS
6 PAGES

DOWNLOAD PAPER SAVE TO MY LIBRARY

GET CITATION

RIGHTS & PERMISSIONS

Get copyright permission Get copyright permission on Copyright Marketplace

KEYWORDS

Calibration

Black bodies

Sensors

Infrared radiation

Remote sensing

Satellites

Temperature metrology

Show All Keywords

Keywords/Phrases

Search In:

Publication Years