Development of practical thermal infrared hyperspectral imaging system

Jianyu Wang; Chunlai Li; Gang Lv; Liyin Yuan; Enguang Liu; Jian Jin; Hongzhen Ji

doi:10.1117/12.2068860

18 November 2014 Development of practical thermal infrared hyperspectral imaging system

Jianyu Wang, Chunlai Li, Gang Lv, Liyin Yuan, Enguang Liu, Jian Jin, Hongzhen Ji

Author Affiliations +

Proceedings Volume 9263, Multispectral, Hyperspectral, and Ultraspectral Remote Sensing Technology, Techniques and Applications V; 92630E (2014) https://doi.org/10.1117/12.2068860
Event: SPIE Asia-Pacific Remote Sensing, 2014, Beijing, China

Abstract

As an optical remote sensing equipment, the thermal infrared hyperspectral imager operates in the thermal infrared spectral band and acquires about 180 wavebands in range of 8.0~12.5μm. The field of view of this imager is 13° and the spatial resolution is better than 1mrad. Its noise equivalent temperature difference (NETD) is less than 0.2K@300K(average). 1 The influence of background radiation of the thermal infrared hyperspectral imager,and a simulation model of simplified background radiation is builded. 2 The design and implementationof the Cryogenic Optics. 3 Thermal infrared focal plane array (FPA) and special dewar component for the thermal infrared hyperspectral imager. 4 Parts of test results of the thermal infrared hyperspectral imager.The hyperspectral imaging system is China’s first success in developing this type of instrument, whose flight validation experiments have already been embarked on. The thermal infrared hyperspectral data acquired will play an important role in fields such as geological exploration and air pollutant identification.

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Jianyu Wang, Jianyu Wang, Chunlai Li, Chunlai Li, Gang Lv, Gang Lv, Liyin Yuan, Liyin Yuan, Enguang Liu, Enguang Liu, Jian Jin, Jian Jin, Hongzhen Ji, Hongzhen Ji, "Development of practical thermal infrared hyperspectral imaging system", Proc. SPIE 9263, Multispectral, Hyperspectral, and Ultraspectral Remote Sensing Technology, Techniques and Applications V, 92630E (18 November 2014); doi: 10.1117/12.2068860; https://doi.org/10.1117/12.2068860

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