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Improved sensitivity of terahertz label free bio-sensing application through trapped-mode resonances in planar resonators

Improved sensitivity of terahertz label free bio-sensing application through trapped-mode resonances in planar resonators
Improved sensitivity of terahertz label free bio-sensing application through trapped-mode resonances in planar resonators
A design is proposed and investigated exploiting full wave numerical simulation of a dual resonant structure with an aim to sense small amounts of chemical and biochemical materials. The structure is energized with free space radiation in the terahertz regime. Thanks to its asymmetric geometry high quality trapped mode resonances are excited. By selectively loading the structure with only small amounts of probe material, a relatively large shift in the frequency response may be achieved. The concept is demonstrated through simulation, while optimization of the structure and the analyte loading is attempted.
0018-9464
1026-1029
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) Improved sensitivity of terahertz label free bio-sensing application through trapped-mode resonances in planar resonators. IEEE Transactions on Magnetics, 47 (5), 1026-1029. (doi:10.1109/TMAG.2010.2091946).

Record type: Article

Abstract

A design is proposed and investigated exploiting full wave numerical simulation of a dual resonant structure with an aim to sense small amounts of chemical and biochemical materials. The structure is energized with free space radiation in the terahertz regime. Thanks to its asymmetric geometry high quality trapped mode resonances are excited. By selectively loading the structure with only small amounts of probe material, a relatively large shift in the frequency response may be achieved. The concept is demonstrated through simulation, while optimization of the structure and the analyte loading is attempted.

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Published date: 14 May 2011
Organisations: EEE

Identifiers

Local EPrints ID: 272328
URI: http://eprints.soton.ac.uk/id/eprint/272328
ISSN: 0018-9464
PURE UUID: ff2b7597-c121-4e41-a78f-356fa3ec4cfa
ORCID for Jan K. Sykulski: ORCID iD orcid.org/0000-0001-6392-126X

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Date deposited: 24 May 2011 17:50
Last modified: 15 Mar 2024 02:34

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Contributors

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

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