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240925s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202410568
|2 doi
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|a eng
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|a Hassanfiroozi, Amir
|e verfasserin
|4 aut
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|a Hybrid Anapole Induced Chirality in Metasurfaces
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|c 2024
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|a Text
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|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 25.09.2024
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|a published: Print-Electronic
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|a Citation Status Publisher
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| 520 |
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|a © 2024 Wiley‐VCH GmbH.
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|a The interaction between light and matter, particularly chirality, plays a pivotal role in modern science and technology. Typically, metasurfaces achieve chiro-optical effects by coupling electric and magnetic dipoles in specific orientations. In this work, the design and optimization of an asymmetric H-shaped metasurface is explored to induce hybrid anapole (HA) for optical activity. When the symmetry of the metasurface structure is disrupted, the design can simultaneously excite first-order and pseudo high-order HA under illumination with a specific circular polarization, both occurring within the same spectral regime. This results in high reflection for one circular polarization and a significant reduction in reflection for the orthogonal polarization, thereby exhibiting exceptional chiro-optical activity. Moreover, the HA-based chiral metasurface demonstrates strong polarization control capabilities, as verified by Stokes parameter analysis, revealing high birefringence and a pronounced dependence on the incident polarization angle. These results provide valuable insights for the design and optimization of HA metasurfaces for advanced optical applications and polarization control, paving the way for new developments in chiral nanophotonics
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|a Journal Article
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|a chiral metasurface
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4 |
|a hybrid anapole
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| 650 |
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4 |
|a multipole decomposition
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| 650 |
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|a optical chirality
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4 |
|a polarization control
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4 |
|a pseudo high‐order hybrid anapole
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|a Lu, Yen Cheng
|e verfasserin
|4 aut
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|a Wu, Pin Chieh
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g (2024) vom: 24. Sept., Seite e2410568
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g year:2024
|g day:24
|g month:09
|g pages:e2410568
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|u http://dx.doi.org/10.1002/adma.202410568
|3 Volltext
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