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Flat optics, realized by the artificially created 2D material platform called optical metasurfaces, is currently undergoing a science‐to‐technology transition. However, “real‐time” active operations of such flat optical devices remain yet unresolved. Here, liquid crystals (LCs)‐integrated metaholograms for ultracompact dynamic holographic displays are proposed. The anisotropic nature of the LCs allows...
A touch‐responsive meta‐holographic display, which is promising for interactive holographic displays with touch sensing or motion recognition is presented by Young‐Ki Kim, Junsuk Rho, and co‐workers in article number 2004664. According to an applied surface pressure with a gentle finger touch, the floating holographic images encoded in a metasurface can be switched in real‐time. The liquid‐crystal‐integrated...
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