Mr. Lei Chen Profile

Lei Chen

at Army Engineering University of PLA

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Proceedings Article | 5 November 2020 Paper

Research on angle combination of polarizer and quarter-wave plate for full-stokes polarization imaging detection

Yanhua Huang, Lei Chen, Xia Li

Proceedings Volume 11567, 115672T (2020) https://doi.org/10.1117/12.2579995

KEYWORDS: Polarization, Polarizers, Target detection, Target recognition, Quantum wells, CCD cameras, Wave plates

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The full-stokes expressions of polarizer direction (PD) and Quarter-wave-plate direction (QWD) was deduced at any angle. The experiments of full-stokes polarization imaging detection were carried out with artificial target under the natural background, and the degree of polarization (DOP) images contrast (DOPIC) with the target and the background were analyzed. This paper mainly research that different angle combination influence between polarizer and quarter-wave plate for the DOPIC of full-stokes polarization imaging detection. It was found that the DOPIC of target and background was obviously higher than intensity image, but also (1)The detection results were related to the angle of PD when changing the angle of QWD only; (2) If three groups of direction angles (α₁β₁α₂β₂α₃β₃) were same and the fourth group of angles (α₄β₄) was set interval angle 45°between PD and QWD angle, the average detection result of full-stokes polarization imaging was higher than other PD and QWD.

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