METHOD, DEVICE AND ELECTRICAL DEVICE OF DESIGNING METALENS AND STORAGE MEDIUM
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United States of America
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Issued Date -
Apr 3, 2025
app pub date -
Sep 12, 2024
filing date -
Sep 12, 2024
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Abstract
A metalens is provided, the metalens includes: a substrate, a plurality of structural units arranged in periodicity; and the structural units are perpendicular to the substrate; the metalens includes a plurality of phase-modulation regions, and each phase-modulation region includes the plurality of structural units; where, each structural unit includes m phase-modulation layers, m≥2, so as to make each structural unit in each phase-modulation region provide any phase within the interval of [0,2π] and each phase-modulation region cover the phases within the interval of [0,2π] at a working waveband.
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