High-precision RGB full-Stokes imager by pixelated polarization cameras

Yukitoshi Otani; Nobuaki Endo; Shuichia Kawabata; Nathan Hagen

doi:10.1117/12.3008856

13 March 2024 High-precision RGB full-Stokes imager by pixelated polarization cameras

Yukitoshi Otani, Nobuaki Endo, Shuichia Kawabata, Nathan Hagen

Proceedings Volume 12909, Ultra-High-Definition Imaging Systems VII; 129090M (2024) https://doi.org/10.1117/12.3008856
Event: SPIE OPTO, 2024, San Francisco, California, United States

Abstract

This paper describes a snapshot full- Stokes imager by two RGB polarization cameras with linear micro-polarizer array which is aligned to 0, 45, 90 and 135° of azimuthal direction. We screeded to determine full Stokes parameter imager for with achromatic non-polarizing beam splitter, retarders and two polarization cameras with calibration method for error of retarder to increase an accuracy. We succeed to analyze a high-definition polarization image by Stokes analysis in the Fourier domain although a polarization camera requires 2x2 pixels in monochromatic and 4x 4 for color with linear micro-polarizer array and color filleters in the space for one polarization analysis. We demonstrate same applications of bio-imaging using a differential interferometric microscope and some industrial applications by high-speed polarization camera.

Conference Presentation

Citation Download Citation

Yukitoshi Otani, Nobuaki Endo, Shuichia Kawabata, and Nathan Hagen "High-precision RGB full-Stokes imager by pixelated polarization cameras", Proc. SPIE 12909, Ultra-High-Definition Imaging Systems VII, 129090M (13 March 2024); https://doi.org/10.1117/12.3008856

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