Dual‐Band Operating Metaholograms with Heterogeneous Meta‐Atoms in the Visible and Near‐Infrared (Advanced Optical Materials 19/2021)
Source abstract
Abstract
A reflective metahologram working at visible and near-infrared domains has been demonstrated by Junsuk Rho and co-workers (see article number 2100609). To realize a pragmatic and security-enhanced anticounterfeit display technology, such a dual-band metahologram with heterogeneous meta-atoms comprised of gold and silicon is proposed. The device can project two different holographic images under visible and near-infrared light illumination.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Advanced Optical Imaging Technologies · Photonic Crystals and Applications · Photorefractive and Nonlinear Optics
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Affiliations
Department of Mechanical Engineering Pohang University of Science and Technology (POSTECH) Pohang 37673 Republic of Korea
Department of Chemical Engineering Pohang University of Science and Technology (POSTECH) Pohang 37673 Republic of Korea
National Institute of Nanomaterials Technology (NINT) Pohang 37673 Republic of Korea
POSCO‐POSTECH‐RIST Convergence Research Center for Flat Optics and Metaphotonics Pohang 37673 Republic of Korea
References
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