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Metalenz Demonstrates Chip-Scale Polarization Imaging

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JOEL WILLIAMS, ASSOCIATE EDITOR
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Meta-optics company Metalenz has unveiled a polarization-based optical technology called PolarEyes. The technology, which is not yet commercially available, takes the capabilities of bulky polarization imaging systems and shrinks it to a fraction of the size. Polarization information can be used to discern properties such as a surface’s roughness, as well as details about its composition. It is used in machine vision applications to detect defects invisible to the human eye, such as stress, and to increase contrast to make such details more apparent. “Polarization...Read full article

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    Published: January 2022
    Glossary
    polarization
    Polarization refers to the orientation of oscillations in a transverse wave, such as light waves, radio waves, or other electromagnetic waves. In simpler terms, it describes the direction in which the electric field vector of a wave vibrates. Understanding polarization is important in various fields, including optics, telecommunications, and physics. Key points about polarization: Transverse waves: Polarization is a concept associated with transverse waves, where the oscillations occur...
    polarimetry
    The measurement of the rotation of the plane of polarization of radiant energy, usually through the use of a polarimeter.
    metalens
    A metalens, short for "metasurface lens," is a type of optical lens that uses nanostructured materials to manipulate light at a subwavelength scale. Unlike traditional lenses made of glass or other transparent materials, metalenses do not rely on the curvature of their surface to refract or focus light. Instead, they use carefully engineered patterns of nanostructures, such as nanoscale antennas or dielectric structures, to control the phase and amplitude of light across the lens's surface....
    meta-optics
    Meta-optics, also known as metasurface optics or flat optics, is a branch of optics that involves the design, fabrication, and utilization of artificial structures called metasurfaces to control and manipulate light at the nanoscale level. Unlike traditional optics, which typically involve bulky lenses and mirrors, meta-optics aims to achieve similar functionalities using ultrathin, planar structures composed of subwavelength nanostructures. Metasurfaces are typically composed of arrays of...
    BusinessOpticslensespolarizationpolarimetryImagingMetalenzFederico CapassosmartphonecamerasPolarEyesmetalensmeta-opticsHarvard SEASRobert DevlinRob DevlinAmericasIndustry News

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