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rssMB to Phys.orgEnglish · 4 days ago

Ultrathin metasurface enables high-efficiency vectorial holography

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Ultrathin metasurface enables high-efficiency vectorial holography

phys.org

rssMB to Phys.orgEnglish · 4 days ago
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Holography—the science of recording and reconstructing light fields—has long been central to imaging, data storage, and encryption. Traditional holographic systems, however, rely on bulky optical setups and interference experiments, making them impractical for compact or integrated devices. Computational methods such as the Gerchberg–Saxton (GS) algorithm have simplified hologram design by eliminating the need for physical interference patterns, but these approaches typically produce scalar holograms with uniform polarization, limiting the amount of information that can be encoded.

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