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240408s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202402170
|2 doi
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|a pubmed24n1453.xml
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|a (DE-627)NLM370764846
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|a (NLM)38587064
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Wu, Xin Yu
|e verfasserin
|4 aut
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| 245 |
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|a An Ultrathin, Fast-Response, Large-Scale Liquid-Crystal-Facilitated Multi-Functional Reconfigurable Metasurface for Comprehensive Wavefront Modulation
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Revised 26.06.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2024 Wiley‐VCH GmbH.
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|a The rapid advancement of prevailing communication/sensing technologies necessitates cost-effective millimeter-wave arrays equipped with a massive number of phase-shifting cells to perform complicated beamforming tasks. Conventional approaches employing semiconductor switch/varactor components or tunable materials encounter obstacles such as quantization loss, high cost, high complexity, and limited adaptability for realizing large-scale arrays. Here, a low-cost, ultrathin, fast-response, and large-scale solution relying on metasurface concepts combined together with liquid crystal (LC) materials requiring a layer thickness of only 5 µm is reported. Rather than immersing resonant structures in LCs, a joint material-circuit-based strategy is devised, via integrating deep-subwavelength-thick LCs into slow-wave structures, to achieve constitutive metacells with continuous phase shifting and stable reflectivity. An LC-facilitated reconfigurable metasurface sub-system containing more than 2300 metacells is realized with its unprecedented comprehensive wavefront manipulation capacity validated through various beamforming functions, including beam focusing/steering, reconfigurable vortex beams, and tunable holograms, demonstrating a milli-second-level function-switching speed. The proposed methodology offers a paradigm shift for modulating electromagnetic waves in a non-resonating broadband fashion with fast-response and low-cost properties by exploiting functionalized LC-enabled metasurfaces. Moreover, this extremely agile metasurface-enabled antenna technology will facilitate a transformative impact on communication/sensing systems and empower new possibilities for wavefront engineering and diffractive wave calculation/inference
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|a Journal Article
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|a beam steering
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|a liquid crystals
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|a metasurfaces
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|a reconfigurable hologram
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| 650 |
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4 |
|a wavefront shaping
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| 700 |
1 |
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|a Feng, Hong Yuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wan, Fengshuo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wei, Meng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Guo, Chong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cai, Longzhu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wu, Fan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jiang, Zhi Hao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kang, Lei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hong, Wei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Werner, Douglas H
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 36(2024), 26 vom: 27. Juni, Seite e2402170
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
1 |
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|g volume:36
|g year:2024
|g number:26
|g day:27
|g month:06
|g pages:e2402170
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| 856 |
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|u http://dx.doi.org/10.1002/adma.202402170
|3 Volltext
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