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Updated: Nov 12, 2025

Demonstration of Spin-Multiplexed and Direction-Multiplexed All-Dielectric Visible Metaholograms
Published on: September 25, 2020
Researchers developed a novel optical masquerade using holography and metasurfaces. This technique hides a "bomb" image within a "dog" image, with potential applications in information security.
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2026-06-19T13:48:15.652619+00:00