Asymmetrical Chirality in 3D Bended Metasurface

Research output: Contribution to journalJournal articleResearchpeer-review

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Asymmetrical Chirality in 3D Bended Metasurface. / Pan, Ruhao; Liu, Zhe; Zhu, Wei; Du, Shuo; Gu, Changzhi; Li, Junjie.

In: Advanced Functional Materials, Vol. 31, No. 31, 2100689, 2021.

Research output: Contribution to journalJournal articleResearchpeer-review

Harvard

Pan, R, Liu, Z, Zhu, W, Du, S, Gu, C & Li, J 2021, 'Asymmetrical Chirality in 3D Bended Metasurface', Advanced Functional Materials, vol. 31, no. 31, 2100689. https://doi.org/10.1002/adfm.202100689

APA

Pan, R., Liu, Z., Zhu, W., Du, S., Gu, C., & Li, J. (2021). Asymmetrical Chirality in 3D Bended Metasurface. Advanced Functional Materials, 31(31), [2100689]. https://doi.org/10.1002/adfm.202100689

Vancouver

Pan R, Liu Z, Zhu W, Du S, Gu C, Li J. Asymmetrical Chirality in 3D Bended Metasurface. Advanced Functional Materials. 2021;31(31). 2100689. https://doi.org/10.1002/adfm.202100689

Author

Pan, Ruhao ; Liu, Zhe ; Zhu, Wei ; Du, Shuo ; Gu, Changzhi ; Li, Junjie. / Asymmetrical Chirality in 3D Bended Metasurface. In: Advanced Functional Materials. 2021 ; Vol. 31, No. 31.

Bibtex

@article{586ae171ff934fdab8ace0c77714b93d,
title = "Asymmetrical Chirality in 3D Bended Metasurface",
abstract = "Chiral metasurfaces offer crucial opportunities to expand the application potential for chiral photonics, but its desired freely structural control and giant circular dichroism (CD) allow for more and greater challenges. Here, different from previous metasurfaces with single structural regulation, a kind of bifunctional chiral metasurface based on 3D bended asymmetric construction is proposed, which shows giant CD combined with asymmetric chirality at 5.2 mu m. The bended metasurface with abundant spatial freedom, consisting of an array of asymmetric bended split ring resonators (SRRs), can be built up from the tensile stress induced by focused ion beam (FIB)-matter interaction. The results show that the CD increases with the bending angle of the metasurface and reaches a maximum at a bending angle of 60 degrees. Particularly, it is found that the CD is 0.71/0.85 (experiment/simulation) for the backward incidence but -0.29/-0.29 for the forward incidence, indicating that the giant CD and asymmetric chirality properties are realized simultaneously in the same metasurface. The calculated results of near-field distribution and the electric/magnetic dipoles show that the giant CD and the asymmetric chirality come from p ->.m ->not equal 0 and |p -> xm ->| not equal 0, respectively. The findings inspire a high efficiency approach to design multifunctional chiral optical devices.",
keywords = "3D metasurfaces, asymmetric chirality, bended micro&#8208, configurations, electric resonance, magnetic resonance, giant circular dichroism, ORIGIN",
author = "Ruhao Pan and Zhe Liu and Wei Zhu and Shuo Du and Changzhi Gu and Junjie Li",
year = "2021",
doi = "10.1002/adfm.202100689",
language = "English",
volume = "31",
journal = "Advanced Functional Materials",
issn = "1616-301X",
publisher = "Wiley - V C H Verlag GmbH & Co. KGaA",
number = "31",

}

RIS

TY - JOUR

T1 - Asymmetrical Chirality in 3D Bended Metasurface

AU - Pan, Ruhao

AU - Liu, Zhe

AU - Zhu, Wei

AU - Du, Shuo

AU - Gu, Changzhi

AU - Li, Junjie

PY - 2021

Y1 - 2021

N2 - Chiral metasurfaces offer crucial opportunities to expand the application potential for chiral photonics, but its desired freely structural control and giant circular dichroism (CD) allow for more and greater challenges. Here, different from previous metasurfaces with single structural regulation, a kind of bifunctional chiral metasurface based on 3D bended asymmetric construction is proposed, which shows giant CD combined with asymmetric chirality at 5.2 mu m. The bended metasurface with abundant spatial freedom, consisting of an array of asymmetric bended split ring resonators (SRRs), can be built up from the tensile stress induced by focused ion beam (FIB)-matter interaction. The results show that the CD increases with the bending angle of the metasurface and reaches a maximum at a bending angle of 60 degrees. Particularly, it is found that the CD is 0.71/0.85 (experiment/simulation) for the backward incidence but -0.29/-0.29 for the forward incidence, indicating that the giant CD and asymmetric chirality properties are realized simultaneously in the same metasurface. The calculated results of near-field distribution and the electric/magnetic dipoles show that the giant CD and the asymmetric chirality come from p ->.m ->not equal 0 and |p -> xm ->| not equal 0, respectively. The findings inspire a high efficiency approach to design multifunctional chiral optical devices.

AB - Chiral metasurfaces offer crucial opportunities to expand the application potential for chiral photonics, but its desired freely structural control and giant circular dichroism (CD) allow for more and greater challenges. Here, different from previous metasurfaces with single structural regulation, a kind of bifunctional chiral metasurface based on 3D bended asymmetric construction is proposed, which shows giant CD combined with asymmetric chirality at 5.2 mu m. The bended metasurface with abundant spatial freedom, consisting of an array of asymmetric bended split ring resonators (SRRs), can be built up from the tensile stress induced by focused ion beam (FIB)-matter interaction. The results show that the CD increases with the bending angle of the metasurface and reaches a maximum at a bending angle of 60 degrees. Particularly, it is found that the CD is 0.71/0.85 (experiment/simulation) for the backward incidence but -0.29/-0.29 for the forward incidence, indicating that the giant CD and asymmetric chirality properties are realized simultaneously in the same metasurface. The calculated results of near-field distribution and the electric/magnetic dipoles show that the giant CD and the asymmetric chirality come from p ->.m ->not equal 0 and |p -> xm ->| not equal 0, respectively. The findings inspire a high efficiency approach to design multifunctional chiral optical devices.

KW - 3D metasurfaces

KW - asymmetric chirality

KW - bended micro&#8208

KW - configurations

KW - electric resonance

KW - magnetic resonance

KW - giant circular dichroism

KW - ORIGIN

U2 - 10.1002/adfm.202100689

DO - 10.1002/adfm.202100689

M3 - Journal article

VL - 31

JO - Advanced Functional Materials

JF - Advanced Functional Materials

SN - 1616-301X

IS - 31

M1 - 2100689

ER -

ID: 262897703