Optimization of infrared Stokes imaging polarimeter for detection of camouflaged target

Weichao Du; Weiguo Jia; Zhijie Zhang

doi:10.1117/12.2539378

18 November 2019 Optimization of infrared Stokes imaging polarimeter for detection of camouflaged target

Weichao Du, Weiguo Jia, Zhijie Zhang

Proceedings Volume 11196, Infrared, Millimeter-Wave, and Terahertz Technologies VI; 111961W (2019) https://doi.org/10.1117/12.2539378
Event: SPIE/COS Photonics Asia, 2019, Hangzhou, China

Abstract

A division of aperture medium wave infrared Stokes imaging polarimeter (ISIP) with optimal linear polarization measurements is presented. The focal plane array of the ISIP is divided into four independent imaging channels by a lens array, which is turned into four independent polarimetric analyzing channels by placing four linear polarizers of different orientation angles in front of each channel and a wave plate in one of the channels. The experiments are performed for detecting camouflaged targets by using the optimized ISIP, which demonstrate that the polarimetric images are effective in detecting camouflaged targets form natural background and improving the signal to noise ratio of target images.

Citation Download Citation

Weichao Du, Weiguo Jia, and Zhijie Zhang "Optimization of infrared Stokes imaging polarimeter for detection of camouflaged target", Proc. SPIE 11196, Infrared, Millimeter-Wave, and Terahertz Technologies VI, 111961W (18 November 2019); https://doi.org/10.1117/12.2539378

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