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Journal of Zhejiang University SCIENCE C 1998 Vol.-1 No.-1 P.

http://doi.org/10.1631/FITEE.2300218


A review on the developments and space applications of mid- and long-wavelength infrared detection technologies


Author(s):  Yuying WANG, Jindong Li, Hezhi SUN, Xiang LI

Affiliation(s):  Institute of Spacecraft System Engineering, China Academy of Space Technology, Beijing 100094, China; more

Corresponding email(s):   y-y.wang@outlook.com, ljdcast@163.com

Key Words:  Infrared detection, Space application, Mid-wavelength and long-wavelength IR detection, Space-based Earth observation, Remote sensing


Yuying WANG, Jindong Li, Hezhi SUN, Xiang LI. A review on the developments and space applications of mid- and long-wavelength infrared detection technologies[J]. Frontiers of Information Technology & Electronic Engineering, 1998, -1(-1): .

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Abstract: 
Mid-wavelength infrared (MWIR) and long-wavelength infrared (LWIR) detection constitute key technologies for space-based Earth observation and astronomical detection. The strong atmospheric penetration of infrared radiation coupled with the advanced capability to identify camouflaged targets render them ideal for space-based remote sensing. Thus, such detectors play an essential role in detecting and tracking low-temperature, and far-distance moving targets. However, due to the diverse scenarios in which space-based IR detection systems are built, the key parameters of IR technologies are subject to unique demands. This paper reviews the developments and features of MWIR and LWIR detectors with a particular focus on their applications in space-based detection. We conduct a comprehensive analysis of key performance indicators for IR detection systems, including Ground Sampling Distance (GSD), operation range, and Noise Equivalent Temperature Difference (NETD) among others, and their interconnections with IR detector parameters. Additionally, the influences of pixel distance, focal plane array size, and operating temperature on the performance of space-based IR remote sensing are evaluated. The development requirements and technical challenges of MWIR and LWIR detection systems are also identified to achieve high-quality space-based observation platforms.

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