Tunable hybrid metasurfaces for MRI applications

Alena V. Shchelokova; Alexey P. Slobozhanyuk; Irina V. Melchakova; Stanislav B. Glybovski; Andrew G. Webb; Yuri S. Kivshar; Pavel A. Belov

doi:10.1063/1.4998062

Tunable hybrid metasurfaces for MRI applications

Alena V. Shchelokova^*, Alexey P. Slobozhanyuk, Irina V. Melchakova, Stanislav B. Glybovski, Andrew G. Webb, Yuri S. Kivshar, Pavel A. Belov

^*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

2 Citations (Scopus)

Abstract

One of many exciting application of metasurfaces is in the magnetic resonance imaging (MRI). Here we demonstrate theoretically and experimentally how to improve substantially the MRI sensitivity by employing the concept of hybrid metasurfaces. We design a novel hybrid metasurface as an array of nonmagnetic metallic wires with high-permittivity dielectric blocks at the edges. We demonstrate that tunability of this metasurface can be achieved via a change of the effective permittivity of blocks near the edges. Moreover, altering the coupling strength between the dielectric and metallic elements allows to obtain nearly homogeneous shapes of the near-field magnetic modes.

Original language	English
Title of host publication	Proceedings of International Conference on Metamaterials and Nanophotonics, METANANO 2017
Editors	Aleksandr Kuchmizhak, Sergey Makarov, Pavel Belov, Andrei Lavrinenko, Andrey Miroshnichenko, Alexey Slobozhanyuk, Mikhail Lapine
Publisher	American Institute of Physics Inc.
ISBN (Electronic)	9780735415546
DOIs	https://doi.org/10.1063/1.4998062
Publication status	Published - 14 Sept 2017
Event	International Conference on Metamaterials and Nanophotonics, METANANO 2017 - Vladivostok, Russian Federation Duration: 18 Sept 2017 → 22 Sept 2017

Publication series

Name	AIP Conference Proceedings
Volume	1874
ISSN (Print)	0094-243X
ISSN (Electronic)	1551-7616

Conference

Conference	International Conference on Metamaterials and Nanophotonics, METANANO 2017
Country/Territory	Russian Federation
City	Vladivostok
Period	18/09/17 → 22/09/17

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10.1063/1.4998062

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Shchelokova, A. V., Slobozhanyuk, A. P., Melchakova, I. V., Glybovski, S. B., Webb, A. G., Kivshar, Y. S., & Belov, P. A. (2017). Tunable hybrid metasurfaces for MRI applications. In A. Kuchmizhak, S. Makarov, P. Belov, A. Lavrinenko, A. Miroshnichenko, A. Slobozhanyuk, & M. Lapine (Eds.), Proceedings of International Conference on Metamaterials and Nanophotonics, METANANO 2017 Article 030033 (AIP Conference Proceedings; Vol. 1874). American Institute of Physics Inc.. https://doi.org/10.1063/1.4998062

Shchelokova, Alena V. ; Slobozhanyuk, Alexey P. ; Melchakova, Irina V. et al. / Tunable hybrid metasurfaces for MRI applications. Proceedings of International Conference on Metamaterials and Nanophotonics, METANANO 2017. editor / Aleksandr Kuchmizhak ; Sergey Makarov ; Pavel Belov ; Andrei Lavrinenko ; Andrey Miroshnichenko ; Alexey Slobozhanyuk ; Mikhail Lapine. American Institute of Physics Inc., 2017. (AIP Conference Proceedings).

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title = "Tunable hybrid metasurfaces for MRI applications",

abstract = "One of many exciting application of metasurfaces is in the magnetic resonance imaging (MRI). Here we demonstrate theoretically and experimentally how to improve substantially the MRI sensitivity by employing the concept of hybrid metasurfaces. We design a novel hybrid metasurface as an array of nonmagnetic metallic wires with high-permittivity dielectric blocks at the edges. We demonstrate that tunability of this metasurface can be achieved via a change of the effective permittivity of blocks near the edges. Moreover, altering the coupling strength between the dielectric and metallic elements allows to obtain nearly homogeneous shapes of the near-field magnetic modes.",

author = "Shchelokova, {Alena V.} and Slobozhanyuk, {Alexey P.} and Melchakova, {Irina V.} and Glybovski, {Stanislav B.} and Webb, {Andrew G.} and Kivshar, {Yuri S.} and Belov, {Pavel A.}",

note = "Publisher Copyright: {\textcopyright} 2017 Author(s).; International Conference on Metamaterials and Nanophotonics, METANANO 2017 ; Conference date: 18-09-2017 Through 22-09-2017",

year = "2017",

month = sep,

day = "14",

doi = "10.1063/1.4998062",

language = "English",

series = "AIP Conference Proceedings",

publisher = "American Institute of Physics Inc.",

editor = "Aleksandr Kuchmizhak and Sergey Makarov and Pavel Belov and Andrei Lavrinenko and Andrey Miroshnichenko and Alexey Slobozhanyuk and Mikhail Lapine",

booktitle = "Proceedings of International Conference on Metamaterials and Nanophotonics, METANANO 2017",

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Shchelokova, AV, Slobozhanyuk, AP, Melchakova, IV, Glybovski, SB, Webb, AG, Kivshar, YS & Belov, PA 2017, Tunable hybrid metasurfaces for MRI applications. in A Kuchmizhak, S Makarov, P Belov, A Lavrinenko, A Miroshnichenko, A Slobozhanyuk & M Lapine (eds), Proceedings of International Conference on Metamaterials and Nanophotonics, METANANO 2017., 030033, AIP Conference Proceedings, vol. 1874, American Institute of Physics Inc., International Conference on Metamaterials and Nanophotonics, METANANO 2017, Vladivostok, Russian Federation, 18/09/17. https://doi.org/10.1063/1.4998062

Tunable hybrid metasurfaces for MRI applications. / Shchelokova, Alena V.; Slobozhanyuk, Alexey P.; Melchakova, Irina V. et al.
Proceedings of International Conference on Metamaterials and Nanophotonics, METANANO 2017. ed. / Aleksandr Kuchmizhak; Sergey Makarov; Pavel Belov; Andrei Lavrinenko; Andrey Miroshnichenko; Alexey Slobozhanyuk; Mikhail Lapine. American Institute of Physics Inc., 2017. 030033 (AIP Conference Proceedings; Vol. 1874).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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T1 - Tunable hybrid metasurfaces for MRI applications

AU - Shchelokova, Alena V.

AU - Slobozhanyuk, Alexey P.

AU - Melchakova, Irina V.

AU - Glybovski, Stanislav B.

AU - Webb, Andrew G.

AU - Kivshar, Yuri S.

AU - Belov, Pavel A.

PY - 2017/9/14

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N2 - One of many exciting application of metasurfaces is in the magnetic resonance imaging (MRI). Here we demonstrate theoretically and experimentally how to improve substantially the MRI sensitivity by employing the concept of hybrid metasurfaces. We design a novel hybrid metasurface as an array of nonmagnetic metallic wires with high-permittivity dielectric blocks at the edges. We demonstrate that tunability of this metasurface can be achieved via a change of the effective permittivity of blocks near the edges. Moreover, altering the coupling strength between the dielectric and metallic elements allows to obtain nearly homogeneous shapes of the near-field magnetic modes.

AB - One of many exciting application of metasurfaces is in the magnetic resonance imaging (MRI). Here we demonstrate theoretically and experimentally how to improve substantially the MRI sensitivity by employing the concept of hybrid metasurfaces. We design a novel hybrid metasurface as an array of nonmagnetic metallic wires with high-permittivity dielectric blocks at the edges. We demonstrate that tunability of this metasurface can be achieved via a change of the effective permittivity of blocks near the edges. Moreover, altering the coupling strength between the dielectric and metallic elements allows to obtain nearly homogeneous shapes of the near-field magnetic modes.

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BT - Proceedings of International Conference on Metamaterials and Nanophotonics, METANANO 2017

A2 - Kuchmizhak, Aleksandr

A2 - Makarov, Sergey

A2 - Belov, Pavel

A2 - Lavrinenko, Andrei

A2 - Miroshnichenko, Andrey

A2 - Slobozhanyuk, Alexey

A2 - Lapine, Mikhail

PB - American Institute of Physics Inc.

T2 - International Conference on Metamaterials and Nanophotonics, METANANO 2017

Y2 - 18 September 2017 through 22 September 2017

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Shchelokova AV, Slobozhanyuk AP, Melchakova IV, Glybovski SB, Webb AG, Kivshar YS et al. Tunable hybrid metasurfaces for MRI applications. In Kuchmizhak A, Makarov S, Belov P, Lavrinenko A, Miroshnichenko A, Slobozhanyuk A, Lapine M, editors, Proceedings of International Conference on Metamaterials and Nanophotonics, METANANO 2017. American Institute of Physics Inc. 2017. 030033. (AIP Conference Proceedings). doi: 10.1063/1.4998062

Tunable hybrid metasurfaces for MRI applications

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