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

Yanhua Huang; Lei Chen; Xia Li

doi:10.1117/12.2579995

5 November 2020 Research on angle combination of polarizer and quarter-wave plate for full-stokes polarization imaging detection

Yanhua Huang, Lei Chen, Xia Li

Author Affiliations +

Proceedings Volume 11567, AOPC 2020: Optical Sensing and Imaging Technology; 115672T (2020) https://doi.org/10.1117/12.2579995
Event: Applied Optics and Photonics China (AOPC 2020), 2020, Beijing, China

Abstract

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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Yanhua Huang, Lei Chen, and Xia Li "Research on angle combination of polarizer and quarter-wave plate for full-stokes polarization imaging detection", Proc. SPIE 11567, AOPC 2020: Optical Sensing and Imaging Technology, 115672T (5 November 2020); https://doi.org/10.1117/12.2579995

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KEYWORDS

Polarization

Polarizers

Target detection

Target recognition

CCD cameras

Quantum wells

Wave plates

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