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    compact optical systems tagged posts

    Metalenses Harness AI for High-Resolution, Full-Color Imaging for Compact Optical Systems

    November 17, 2024, Categories  Physics

    A metalens, composed of an array of nanostructures with arbitrary rotational angles, acquires an image, which is restored to generate an output image that closely approximates the quality of the original “ground truth” image
    A metalens, composed of an array of nanostructures with arbitrary rotational angles, acquires an image, which is restored to generate an output image that closely approximates the quality of the original “ground truth” image. Credit: Seo et al., doi 10.1117/1.AP.6.6.066002

    Modern imaging systems, such as those used in smartphones, virtual reality (VR), and augmented reality (AR) devices, are constantly evolving to become more compact, efficient, and high-performing. Traditional optical systems rely on bulky glass lenses, which have limitations like chromatic aberrations, low efficiency at multiple wavelengths, and large physical sizes. These drawbacks present challenges when designing smaller, lighter systems that still produce high-quality images.

    To overcome these issues, rese...

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