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3 October 2024 Metasurface polarization optics and instrumentation
Noah A. Rubin, Lisa Li, Jaewon Oh, Federico Capasso
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Proceedings Volume PC13109, Metamaterials, Metadevices, and Metasystems 2024; PC1310907 (2024) https://doi.org/10.1117/12.3028509
Event: Nanoscience + Engineering, 2024, San Diego, California, United States
Abstract
The ability to locally control incident light's polarization state is one of the primary distinguishing factors between metasurfaces and past generations of diffractive optical elements. Polarimetry, the measurement of light’s polarization state, can benefit from the metasurfaces which sort light based on its polarization into several channels enabling polarimetry with a minimum of optical components. Here, we present a wide field-of-view polarimetric imager integrated on a single glass substrate. The device captures polarimetric images over a 40 degree field-of-view in a 10 nm bandwidth in the near-IR around 870 nm and consists of polarization-sensitive metasurface diffraction grating (for polarimetry) and a metalens-aperture stop system (for imaging). Imaging polarimetry with this camera is demonstrated and practical considerations surrounding this approach are discussed.
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Noah A. Rubin, Lisa Li, Jaewon Oh, and Federico Capasso "Metasurface polarization optics and instrumentation", Proc. SPIE PC13109, Metamaterials, Metadevices, and Metasystems 2024, PC1310907 (3 October 2024); https://doi.org/10.1117/12.3028509
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KEYWORDS
Polarimetry
Imaging systems
Polarization
Polarization gratings
Optical components
Image sensors
Optical gratings
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