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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201803478
|2 doi
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|a pubmed24n0967.xml
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|a (DE-627)NLM290273064
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|a (NLM)30393994
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Dolan, James A
|e verfasserin
|4 aut
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|a Metasurfaces Atop Metamaterials
|b Surface Morphology Induces Linear Dichroism in Gyroid Optical Metamaterials
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|c 2019
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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 Completed 11.01.2019
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|a Date Revised 24.09.2021
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2018 The Authors. Published by WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a Optical metamaterials offer the tantalizing possibility of creating extraordinary optical properties through the careful design and arrangement of subwavelength structural units. Gyroid-structured optical metamaterials possess a chiral, cubic, and triply periodic bulk morphology that exhibits a redshifted effective plasma frequency. They also exhibit a strong linear dichroism, the origin of which is not yet understood. Here, the interaction of light with gold gyroid optical metamaterials is studied and a strong correlation between the surface morphology and its linear dichroism is found. The termination of the gyroid surface breaks the cubic symmetry of the bulk lattice and gives rise to the observed wavelength- and polarization-dependent reflection. The results show that light couples into both localized and propagating plasmon modes associated with anisotropic surface protrusions and the gaps between such protrusions. The localized surface modes give rise to the anisotropic optical response, creating the linear dichroism. Simulated reflection spectra are highly sensitive to minute details of these surface terminations, down to the nanometer level, and can be understood with analogy to the optical properties of a 2D anisotropic metasurface atop a 3D isotropic metamaterial. This pronounced sensitivity to the subwavelength surface morphology has significant consequences for both the design and application of optical metamaterials
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|a Journal Article
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|a cubic symmetry
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|a gyroid-structured materials
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|a metasurfaces
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4 |
|a optical anisotropy
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|a optical metamaterials
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1 |
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|a Dehmel, Raphael
|e verfasserin
|4 aut
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1 |
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|a Demetriadou, Angela
|e verfasserin
|4 aut
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1 |
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|a Gu, Yibei
|e verfasserin
|4 aut
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1 |
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|a Wiesner, Ulrich
|e verfasserin
|4 aut
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1 |
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|a Wilkinson, Timothy D
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gunkel, Ilja
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hess, Ortwin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Baumberg, Jeremy J
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Steiner, Ullrich
|e verfasserin
|4 aut
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1 |
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|a Saba, Matthias
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wilts, Bodo D
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 31(2019), 2 vom: 01. Jan., Seite e1803478
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:31
|g year:2019
|g number:2
|g day:01
|g month:01
|g pages:e1803478
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|u http://dx.doi.org/10.1002/adma.201803478
|3 Volltext
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|d 31
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|h e1803478
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