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Toward Water‐Immersion Programmable Meta‐Display
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Journal Article
Toward Water‐Immersion Programmable Meta‐Display
2023
Overview
Heading toward next‐generation intelligent display, dynamic control capability for meta‐devices is critical for real world applications. Beyond the conventional electrical/optical/mechanical/thermal tuning methods, liquid immersion recently has emerged as a facile tuning mechanism which is easily accessible (especially water) and practically implementable for large tuning area. However, due to the longstanding and critical drawback of lacking independent‐encoding capability, the state‐of‐art immersion approach remains incapable of pixel‐level programmable switching. Here a water‐immersion tuning scheme with pixel‐scale programmability for dynamic meta‐displays is proposed. Tunable meta‐pixels can be engineered to construct spectral selective patterns at prior‐/post‐ immersion states, such that a metasurface enables pixel‐level transforming animations for dynamic multifield meta‐displays, including near‐field dual‐nanoprints and far‐field dual‐holographic displays. The proposed water‐immersion programmable approach for meta‐display, benefitting from its large tuning area, facile operation and strong repeatability, may find a revolutionary path toward next‐generation intelligent display with practical applications in dynamic display/encryption, information anticounterfeit/storage, and optical sensors. The proposed water‐immersion programmable meta‐device, for the first time, intriguingly achieves pixel‐programmable water‐immersion switch for multifield meta‐display transformation through screening tunable meta‐pixels to construct spectral programmability, beyond simply coloring alteration, or on‐and‐off switch. The practical water‐immersion mechanism, which enjoys large tuning area, great simplicity in operation and strong repeatability, may find a revolutionary path toward the next‐generation intelligent display technology.
Publisher
John Wiley & Sons, Inc,John Wiley and Sons Inc
