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5 October 2023 Evaluation and characterization of imaging polarimetry through metasurface polarization gratings
Lisa W. Li, Noah A. Rubin, Michael Juhl, Joon-Suh Park, Federico Capasso
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Proceedings Volume PC12690, Polarization Science and Remote Sensing XI; PC126900C (2023) https://doi.org/10.1117/12.2677426
Event: SPIE Optical Engineering + Applications, 2023, San Diego, California, United States
Abstract
Metasurfaces are diffractive optical elements composed of subwavelength structures that, when leveraging birefringence, can serve as multifunctional freespace polarization optics. Metasurface gratings are flat optical elements designed to operate as full Stokes analyzers to enable compact polarimetric imaging. This work presents the calibration of a metagrating-based Stokes imaging system. A prototype metasurface full Stokes imaging polarimeter concept is compared to a benchtop instrument for 670, 532, and 460 nm metagratings. The metagrating Stokes imaging polarimeters are assessed for DOLP accuracy within ±0.5%. The 532 nm instrument is fully evaluated for polarization ellipse and degree of polarization accuracy.
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Lisa W. Li, Noah A. Rubin, Michael Juhl, Joon-Suh Park, and Federico Capasso "Evaluation and characterization of imaging polarimetry through metasurface polarization gratings", Proc. SPIE PC12690, Polarization Science and Remote Sensing XI, PC126900C (5 October 2023); https://doi.org/10.1117/12.2677426
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KEYWORDS
Polarimetry
Polarization gratings
Polarization
Equipment
Cameras
Diffractive optical elements
Imaging systems
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