HOLOGRAPHIC DISPLAY USING METASURFACE AND METASURFACE OPTIMIZATION METHOD
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United States of America Patent
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Jan 23, 2025
app pub date -
Jun 7, 2024
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Jun 7, 2024
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Abstract
A holographic display using a metasurface and a metasurface optimization method are provided, wherein the holographic display includes a spatial light modulator, a half-wave plate configured to rotate a linear polarization direction of light incident from the spatial light modulator at a certain angle and output light including a horizontal linear polarization component and a vertical linear polarization component having a same magnitude and orthogonal to each other, and a metasurface including nanostructures configured to perform different phase modulations on the horizontal linear polarization component and the vertical linear polarization component, and the metasurface is optimized by using a gradient descent method.
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