Abstract
A high sensitivity double-band resonance sensor based on a planar microstrip structure is proposed for complex permittivity measurements of liquids. Two split-ring resonators (SRRs) are combined with a microstrip line to expand the operating bandwidth. The sensor employs an array of interdigital capacitors (IDCs) to achieve higher sensitivity. Validation tests conducted on methanol-ethanol liquid mixtures reveal that the measurement accuracy of the new sensor meets the requirements.
Original language | English |
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Title of host publication | 2023 IEEE MTT-S International Microwave Biomedical Conference, IMBioC 2023 |
Publisher | Institute of Electrical and Electronics Engineers Inc. |
Pages | 181-183 |
Number of pages | 3 |
ISBN (Electronic) | 9781665492171 |
DOIs | |
Publication status | Published - 2023 |
Event | 2023 IEEE MTT-S International Microwave Biomedical Conference, IMBioC 2023 - Leuven, Belgium Duration: 11 Sept 2023 → 13 Sept 2023 |
Publication series
Name | 2023 IEEE MTT-S International Microwave Biomedical Conference, IMBioC 2023 |
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Conference
Conference | 2023 IEEE MTT-S International Microwave Biomedical Conference, IMBioC 2023 |
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Country/Territory | Belgium |
City | Leuven |
Period | 11/09/23 → 13/09/23 |
Keywords
- Complex permittivity
- interdigital capacitor structure
- microwave sensing
- split-ring resonator
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Du, M., Li, S., Shao, L., Yuan, H., Ma, J., Si, L., Sun, H., Bao, X., Zhang, M., Bao, J., & Nauwelaers, B. (2023). A Double-Band Resonance Sensor for Complex Permittivity Characterization of Liquids. In 2023 IEEE MTT-S International Microwave Biomedical Conference, IMBioC 2023 (pp. 181-183). (2023 IEEE MTT-S International Microwave Biomedical Conference, IMBioC 2023). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/IMBioC56839.2023.10305097