ArticleSensors (Basel, Switzerland)2019
A Submersible Printed Sensor Based on a Monopole-Coupled Split Ring Resonator for Permittivity Characterization.
Article in Sensors (Basel, Switzerland), 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed.
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- Flexible Electromagnetic Sensor with Inkjet-Printed Silver Nanoparticles on PET Substrate for Chemical and Biomedical Applications.Sensors (Basel, Switzerland) · 2024Article
- Microwave-sensor-node integrated into a short-range wireless sensor network.Scientific reports · 2023Article
- Microwave Spoof Surface Plasmon Polariton-Based Sensor for Ultrasensitive Detection of Liquid Analyte Dielectric Constant.Sensors (Basel, Switzerland) · 2021Article
- Microwave Sensors forSensors (Basel, Switzerland) · 2021Article
- Low Power Contactless Bioimpedance Sensor for Monitoring Breathing Activity.Sensors (Basel, Switzerland) · 2021Article
- Design of a High Sensitivity Microwave Sensor for Liquid Dielectric Constant Measurement.Sensors (Basel, Switzerland) · 2020Article
- Validation of a Broadband Tissue-Equivalent Liquid for SAR Measurement and Monitoring of Its Dielectric Properties for Use in a Sealed Phantom.Sensors (Basel, Switzerland) · 2020Article
- Review of Non-invasive Glucose Sensing Techniques: Optical, Electrical and Breath Acetone.Sensors (Basel, Switzerland) · 2020Review
- Multifunctional Ultrahigh Sensitive Microwave Planar Sensor to Monitor Mechanical Motion: Rotation, Displacement and Stretch.Sensors (Basel, Switzerland) · 2020Article
- Design of Substrate-Integrated Waveguide Loading Multiple Complementary Open Resonant Rings (CSRRs) for Dielectric Constant Measurement.Sensors (Basel, Switzerland) · 2020Article
- CSRR-Based Microwave Sensor for Dielectric Materials Characterization Applied to Soil Water Content Determination.Sensors (Basel, Switzerland) · 2020Article
Corrections and comments
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Authors and funding
4 authors.
Funding
Abstract
This work presents a non-invasive, reusable and submersible permittivity sensor that uses a microwave technique for the dielectric characterization of liquid materials. The proposed device consists of a compact split ring resonator excited by two integrated monopole antennas. The sensing principle is based on the notch introduced by the resonators in the transmission coefficient, which is affected due to the introduction of the sensor in a new liquid material. Then, a frequency shift of the notch and the Q-factor of the proposed sensor are related with the changes in the surrounding medium. By means of a particular experimental procedure, commercial liquids are employed to obtain the calibration curve. Thus, a mathematical equation is obtained to extract the dielectric permittivity of liquid materials with unknown dielectric properties. A good match between simulated and experimental results is obtained, as well as a high Q-factor, compact size, good sensitivity and high repeatability for use in sensing applications. Sensors like the one here presented could lead to promising solutions for characterizing materials, particularly in determining material properties and quality in the food industry, bio-sensing and other applications.
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