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|a 10.1002/adma.202204688
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|a eng
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| 100 |
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|a Huang, Qinglan
|e verfasserin
|4 aut
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|a Conformal Volumetric Grayscale Metamaterials
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|c 2023
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|a Text
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|a ƒaComputermedien
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|a Date Completed 23.03.2023
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|a Date Revised 23.03.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2023 Wiley-VCH GmbH.
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|a Conformal artificial electromagnetic media that feature tailorable responses as a function of incidence wavelength and angle represent universal components for optical engineering. Conformal grayscale metamaterials are introduced as a new class of volumetric electromagnetic media capable of supporting highly multiplexed responses and arbitrary, curvilinear form factors. Subwavelength-scale voxels based on irregular shapes are designed to accommodate a continuum of dielectric values, enabling the freeform design process to reliably converge to exceptionally high figures of merit (FOMs) for a given multi-objective design problem. Through additive manufacturing of ceramic-polymer composites, microwave metamaterials, designed for the radio-frequency range of 8-12 GHz, are experimentally fabricated and devices with extreme dispersion profiles, an airfoil-shaped beam-steering device, and a broadband, broad-angle conformal carpet cloak, are demonstrated. It is anticipated that conformal volumetric metamaterials will lead to new classes of compact and multifunctional imaging, sensing, and communications systems
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|a Journal Article
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|a conformal materials
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|a electromagnetic metamaterials
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|a grayscale
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|a multifunctional materials
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|a Gan, Lucia T
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|a Fan, Jonathan A
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
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