ArticleSensors (Basel, Switzerland)2020
Microwave Differential Frequency Splitting Sensor Using Magnetic-LC Resonators.
Article in Sensors (Basel, Switzerland), 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Displacement Sensing Using Bimodal Resonance in Over-Coupled Inductors.Sensors (Basel, Switzerland) · 2025Article
- A Discussion on Sensitivity Optimization in Reflective-Mode Phase-Variation Permittivity Sensors Based on Semi-Lumped Resonators.Sensors (Basel, Switzerland) · 2025Article
- A Microwave Differential Dielectric Sensor Based on Mode Splitting of Coupled Resonators.Sensors (Basel, Switzerland) · 2024Article
- High-Sensitivity Liquid Dielectric Characterization Differential Sensor by 1-Bit Coding DGS.Sensors (Basel, Switzerland) · 2022Article
- Techniques to Improve the Performance of Planar Microwave Sensors: A Review and Recent Developments.Sensors (Basel, Switzerland) · 2022Review
- Extremely Sensitive Microwave Microfluidic Dielectric Sensor Using a Transmission Line Loaded with Shunt LC Resonators.Sensors (Basel, Switzerland) · 2021Article
- Patch antenna sensor for wireless ice and frost detection.Scientific reports · 2021Article
- Planar Phase-Variation Microwave Sensors for Material Characterization: A Review and Comparison of Various Approaches.Sensors (Basel, Switzerland) · 2021Review
- Microwave Sensors Based on Resonant Elements.Sensors (Basel, Switzerland) · 2020Article
- Single-Ended and Differentially Operated Microwave Microfluidic Sensors for Biomedical Applications.Journal of medical signals and sensorsArticle
Corrections and comments
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A differential microwave permittivity sensor and comparator is designed using a microstrip transmission line loaded with a magnetic-LC resonator. The microstrip transmission line is aligned with the electric wall of the resonator. The sensor shows a single transmission zero, when it is unloaded or loaded symmetrically on both halves. A second notch appears in the transmission response by asymmetrical dielectric loading on the two halves of the device. The frequency splitting is used to characterize the dielectric properties of the samples under test. The sensitivity of the sensor is enhanced by removing the mutual coupling between the two halves of the magnetic-LC resonator using a metallic wall. The sensors' operation principle is explained through a circuit model analysis. A prototype of the designed sensor is fabricated and measurements are used for validation of the sensing concept. The sensor can be used for determination of the dielectric properties in solid materials or detecting defects and impurities in solid materials through a comparative measurement with a reference sample.
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