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Design of a split ring resonator integrated with on‐chip terahertz waveguides for colon cancer detection
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Park, Sae June, Tucker, Robyn, Pickwell-MacPherson, Emma and Cunningham, John E. (2022) Design of a split ring resonator integrated with on‐chip terahertz waveguides for colon cancer detection. Advanced Theory and Simulations, 5 (9). 2200313. doi:10.1002/adts.202200313 ISSN 2513-0390.
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WRAP-design-split-ring-resonator-integrated-on‐chip-terahertz-waveguides-colon-cancer-detection-Pickwell-MacPherson-2022.pdf - Published Version - Requires a PDF viewer. Available under License Creative Commons Attribution 4.0. Download (2123Kb) | Preview |
Official URL: https://doi.org/10.1002/adts.202200313
Abstract
Finite element method (FEM) simulations (employing ANSYS High Frequency Structure Simulator, HFSS) are used to investigate the response of terahertz (THz) frequency range split‐ring resonators (SRRs) integrated with on‐chip THz waveguides to cancerous tissues. Two‐port S‐parameter simulations are performed to obtain the transmission spectra (S21) of a planar Goubau line (PGL) integrated with an SRR. Permittivity and loss tangent of the colonic tissues are both taken into account in the numerical simulation. The transmission spectra of the SRR integrated PGL are obtained for cancerous and healthy tissues in close proximity to the SRR, and it is found that they can be distinguished by the resonant frequency shift of the SRR induced by dielectric loading. The electric field distribution and magnitude near the SRR for various capacitive gap widths of SRR are investigated to understand how the gap width affects the maximum electric field magnitude and the vertical extent of the electric field in the gap area. The simulated imaging of colonic tissue consisting of healthy and cancerous tissues using the SRR integrated PGL device with a protective layer on it is performed, showing how the technique could in principle be used to distinguish tumor margins with realistic THz dielectric parameters.
| Item Type: | Journal Article | ||||||||
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| Subjects: | R Medicine > RC Internal medicine T Technology > TK Electrical engineering. Electronics Nuclear engineering |
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| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||||||
| SWORD Depositor: | Library Publications Router | ||||||||
| Library of Congress Subject Headings (LCSH): | Diagnostic imaging, Terahertz technology, Colon (Anatomy) -- Cancer -- Diagnosis, Metamaterials, Biomedical engineering | ||||||||
| Journal or Publication Title: | Advanced Theory and Simulations | ||||||||
| Publisher: | John Wiley & Sons, Inc. | ||||||||
| ISSN: | 2513-0390 | ||||||||
| Official Date: | September 2022 | ||||||||
| Dates: |
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| Volume: | 5 | ||||||||
| Number: | 9 | ||||||||
| Article Number: | 2200313 | ||||||||
| DOI: | 10.1002/adts.202200313 | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Access rights to Published version: | Open Access (Creative Commons) | ||||||||
| Date of first compliant deposit: | 27 July 2022 | ||||||||
| Date of first compliant Open Access: | 28 July 2022 | ||||||||
| RIOXX Funder/Project Grant: |
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