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Trapped mode resonances in metalo-dielectric structures with electric asymmetry materials

Trapped mode resonances in metalo-dielectric structures with electric asymmetry materials
Trapped mode resonances in metalo-dielectric structures with electric asymmetry materials
This paper investigates the possibility of exciting high quality trapped resonant modes on frequency selective surfaces consisting of identical sub-wavelength metallic inclusions (symmetrically split rings) with no structural asymmetry but exhibitting electrical asymmetry. The electrical symmetry is broken by using different dielectric substrates. The existence of such anti-symmetric trapped mode on geometrical symmetric structure is demonstrated through numerical simulation. Numerical results suggest that the high quality factor observed for these resonant modes is achieved via weak coupling between the "trapped modes" and free space which enables the excitation of these modes.
0004-0746
85-93
Rotaru, Mihai D
c53c5038-2fed-4ace-8fad-9f95d4c95b7e
Sykulski, Jan K.
d6885caf-aaed-4d12-9ef3-46c4c3bbd7fb
Rotaru, Mihai D
c53c5038-2fed-4ace-8fad-9f95d4c95b7e
Sykulski, Jan K.
d6885caf-aaed-4d12-9ef3-46c4c3bbd7fb

Rotaru, Mihai D and Sykulski, Jan K. (2011) Trapped mode resonances in metalo-dielectric structures with electric asymmetry materials. Archives of Electrical Engineering, 60 (1), 85-93.

Record type: Article

Abstract

This paper investigates the possibility of exciting high quality trapped resonant modes on frequency selective surfaces consisting of identical sub-wavelength metallic inclusions (symmetrically split rings) with no structural asymmetry but exhibitting electrical asymmetry. The electrical symmetry is broken by using different dielectric substrates. The existence of such anti-symmetric trapped mode on geometrical symmetric structure is demonstrated through numerical simulation. Numerical results suggest that the high quality factor observed for these resonant modes is achieved via weak coupling between the "trapped modes" and free space which enables the excitation of these modes.

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Published date: 8 March 2011
Organisations: EEE

Identifiers

Local EPrints ID: 272101
URI: http://eprints.soton.ac.uk/id/eprint/272101
ISSN: 0004-0746
PURE UUID: 03c37653-4c66-488a-9af1-26b95d665477
ORCID for Jan K. Sykulski: ORCID iD orcid.org/0000-0001-6392-126X

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Date deposited: 14 Mar 2011 15:55
Last modified: 07 Oct 2020 02:27

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Contributors

Author: Mihai D Rotaru
Author: Jan K. Sykulski ORCID iD

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