Calibration and non-uniformity correction of near-infrared polarization detector

doi:10.11972/j.issn.1001-9014.2020.02.011

Home > Archive>Volume 39, Issue 2, 2020 >235-241. DOI:10.11972/j.issn.1001-9014.2020.02.011

Calibration and non-uniformity correction of near-infrared polarization detector
DOI:
                        10.11972/j.issn.1001-9014.2020.02.011
                    
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Author:
                        YIN Jia-Qi1,2,3YIN Jia-Qi
Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai200083, China;University of Chinese Academy of Sciences, Beijing100049, China;Key Laboratory of Infrared System Detection and Imaging Technology, Chinese Academy of Sciences, Shanghai200083, China
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WANG Shi-Yong1,3WANG Shi-Yong
Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai200083, China;Key Laboratory of Infrared System Detection and Imaging Technology, Chinese Academy of Sciences, Shanghai200083, China
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ZHANG Rui1,2,3ZHANG Rui
Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai200083, China;University of Chinese Academy of Sciences, Beijing100049, China;Key Laboratory of Infrared System Detection and Imaging Technology, Chinese Academy of Sciences, Shanghai200083, China
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LI Fan-Ming1,3LI Fan-Ming
Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai200083, China;Key Laboratory of Infrared System Detection and Imaging Technology, Chinese Academy of Sciences, Shanghai200083, China
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Affiliation:1.Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai 200083, China;2.University of Chinese Academy of Sciences, Beijing 100049, China;3.Key Laboratory of Infrared System Detection and Imaging Technology, Chinese Academy of Sciences, Shanghai 200083, China
Clc Number:TN215
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Abstract:

The structure of the polarization detector is introduced firstly, the signal response model of the detector is established. Based on the signal response model, the corresponding parameter calibration scheme is made. High-precision calculation of polarization states of incident radiation and non-uniformity correction of polarization image are realized. The experimental data show that the calculated linear polarization is 97.8% ~ 101.5% of the true value after calibration, which meets the accuracy requirements of polarization detection. The non-uniformity of intensity image and linear polarization image has been reduced by 93.64% and 93.67% respectively compared with the uncorrected image, and the image quality has been effectively improved.

Key words:near infrared;polarization detector;polarization calibration;non-uniformity correction

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YIN Jia-Qi, WANG Shi-Yong, ZHANG Rui, LI Fan-Ming. Calibration and non-uniformity correction of near-infrared polarization detector[J]. Journal of Infrared and Millimeter Waves,2020,39(2):235~241

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Received:May 21,2019
Revised:April 03,2020
Adopted:November 08,2019
Online: March 31,2020
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