OPTICAL DEVICES AND METHOD OF MANUFACTURING OPTICAL DEVICES
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United States of America
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Apr 3, 2025
app pub date -
Sep 24, 2024
filing date -
Sep 24, 2024
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Abstract
An optical device includes a metasurface formed by a metasurface substrate having at least a first metasurface layer made of a first material and an array of pillars extending through the first metasurface layer. The pillars are made of a second material different from the first material. The metasurface has a first face and a second face opposite the first face. A first anti-reflection stack is positioned over the first face of the metasurface. The first anti-reflection stack has a third face and a fourth face opposite the third face and positioned over the first face of the metasurface. A metal trace has a portion which is exposed at the third face of the first anti-reflection stack.
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