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7 March 2022 Single-shot full-Stokes lensless camera
Nakkyu Baek, Yujin Lee, Taeyoung Kim, Jaewoo Jung, Seung Ah Lee
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Proceedings Volume PC11950, Optics and Biophotonics in Low-Resource Settings VIII; PC1195009 (2022) https://doi.org/10.1117/12.2608032
Event: SPIE BiOS, 2022, San Francisco, California, United States
Abstract
We propose a compact and low-cost lensless camera that enables snapshot full-Stokes polarization imaging. Using a polarization-encoded aperture composed of three linear polarizers and a quarter wave plate on a lensless camera, our device can capture 4 images of different linear and circular polarization intensities in a single shot, which can be used to compute full-Stokes images. We can construct an ultra-thin polarization-sensitive lensless camera using a regular image sensor and perform video-rate polarimetry for various applications. We report on the design, construction and imaging performance of our prototype device.
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Nakkyu Baek, Yujin Lee, Taeyoung Kim, Jaewoo Jung, and Seung Ah Lee "Single-shot full-Stokes lensless camera", Proc. SPIE PC11950, Optics and Biophotonics in Low-Resource Settings VIII, PC1195009 (7 March 2022); https://doi.org/10.1117/12.2608032
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KEYWORDS
Cameras
Polarization
Image sensors
CMOS sensors
Point spread functions
Optimization (mathematics)
Prototyping
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