Imaging research of 8-14μm uncooled infrared polarimetric sensor

Wei He; Shan Dong; Tiande Liu; Xiaoqian Liao; Yongwu Liu; Mengmeng Kang; Hongchen Wang

doi:10.1117/12.2625197

27 March 2022 Imaging research of 8-14 μm uncooled infrared polarimetric sensor

Wei He, Shan Dong, Tiande Liu, Xiaoqian Liao, Yongwu Liu, Mengmeng Kang, Hongchen Wang

Proceedings Volume 12169, Eighth Symposium on Novel Photoelectronic Detection Technology and Applications; 121691G (2022) https://doi.org/10.1117/12.2625197
Event: Eighth Symposium on Novel Photoelectronic Detection Technology and Applications, 2021, Kunming, China

Abstract

To achieve clear imaging in complex background and low contrast environment, an 8 ~ 14 μm VOX uncooled infrared polarimetric sensor with the center distance of 17 μm and the array size of 640×512 were fabricated. At room temperature, the NETD and NeDoLP of the sensor reached 45.6 mK and 0.32 %, respectively. To suppress the noise caused by Angle mutation, phase compensation was carried out on the polarization angle signal. Road detection and small target recognition were also shown for scenarios in which polarization contrast remains high during periods of low thermal contrast. Such applications pave way for military applications such as detection of hidden targets, vehicle driving assistance and individual combat.

Citation Download Citation

Wei He, Shan Dong, Tiande Liu, Xiaoqian Liao, Yongwu Liu, Mengmeng Kang, and Hongchen Wang "Imaging research of 8-14 μm uncooled infrared polarimetric sensor", Proc. SPIE 12169, Eighth Symposium on Novel Photoelectronic Detection Technology and Applications, 121691G (27 March 2022); https://doi.org/10.1117/12.2625197

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KEYWORDS

Polarization

Sensors

Infrared radiation

Infrared imaging

Polarimetry

Infrared sensors

Thermography

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