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    Metasurface-Based Camera Could Simplify Polarization Imaging for Vision Systems

    Article obtained from Photonics RSS Feed.

    Researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have developed a compact, portable camera that can image polarization in a single shot. The miniature camera uses metasurface technology to integrate all of the optics needed for polarization in a single device.

    The researchers applied matrix Fourier optics — an extension of Fourier optics — to the design of metasurface gratings. Their metasurface-based full-Stokes polarization camera is designed without conventional polarization optics and without moving parts.

    The camera’s metasurface uses an array of subwavelength-spaced nanopillars to direct light based on its polarization. The light forms four images on the four…

    Jul, 05 2019 |

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