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    Color Superlensing Could Break Through Diffraction Barrier

    Article obtained from Photonics RSS Feed.

    Researcher Sergey Kharinstev and his team at Kazan Federal University recently published a paper in Optics Letters where they detail the design of a new type of metalens capable of imaging beyond the optical diffraction limit.

    Schematic of the working principle of a disordered TiN/TiO2. Courtesy of Kazan University.
    A metalens described in the article is a thin composite metal-dielectric film placed on a dielectric substrate; the width is several dozen nanometers.

    “The light has a wave nature, so there is a diffraction limit which confines the resolution of traditional optical microscopy,” said Kharintsev, who believes his team’s discovery might lead to the use of optical technologies in nanoscale integral…

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    Jan, 23 2020 |

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