Journal Article10.1109/JSEN.2015.2469683
Design and Application of the CSRR-Based Planar Sensor for Noninvasive Measurement of Complex Permittivity
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TL;DR: In this paper, a microwave noninvasive planar sensor based on the complementary split ring resonator (CSRR) is proposed for an accurate measurement of the complex permittivity of materials.
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Abstract: A novel microwave noninvasive planar sensor based on the complementary split ring resonator (CSRR) is proposed for an accurate measurement of the complex permittivity of materials. The CSRR is etched in the ground plane of the planar microstrip line. Two CSRRs of rectangular and circular cross-sections are chosen for the sensitivity analysis, where the later is found to possess higher sensitivity and hence appears to be more appropriate for the sensor design. At resonance, the electric field induced along the plane of CSRR is found to be quite sensitive for the characterization of specimen kept in contact with the sensor. A numerical model is developed here for the calculation of the complex permittivity as a function of resonant frequency and the quality factor data using the electromagnetic simulator, the Computer Simulation Technology. For practical applications, a detailed air gap analysis is carried out to consider the effect of any air gap present between the test sample and the CSRR. The designed sensor is fabricated and tested, and accordingly the numerically established relations are experimentally verified for various reference samples e.g., teflon, polyvinyl chloride, plexiglas, polyethylene, rubber, and wood. Experimentally, it is found that the permittivity measurement using the proposed sensor is possible with a typical error of 3%.
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Citations
Microstrip Sensor Based on Ring Resonator Coupled with Double Square Split Ring Resonator for Solid Material Permittivity Characterization
Khuzairi Masrakin,Siti Zuraidah Ibrahim,Hasliza A. Rahim,Saidatul Norlyana Azemi,Ping Jack Soh,Sugchai Tantiviwat +5 more
TL;DR: In this paper , a microwave resonator sensor based on a square split-ring resonator operating at 5.122 GHz for permittivity characterization of a material under test (MUT) was proposed.
Dual Ring Complementary Split Ring Resonator (DR-CSRR) Sensor For Non-invasive Glucose Sensing Application.
Afia Ibnath,Razia Sultana Rimu,Muhammad Ahsan Ullah +2 more
- 17 Dec 2020
TL;DR: In this paper, a CSRR (Complementary Split Ring Resonator) loaded microstrip patch antenna was used to detect low level concentration of aqueous glucose solution using highly sensitive CSRR.
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Near Field Coupled Wireless Microwave Sensor
Abhishek Kumar Jha,Adam Lamecki,Roberto Gomez-Garcia,Michal Mrozowski +3 more
- 05 Oct 2020
TL;DR: In this paper, a microwave sensor consisting of a reader (ground defected microstrip coupled line) and a passive tag where a complementary split-ring resonator (CSRR) is made on the commercially available copper-foil.
6
CSRR-based microwave sensor for noninvasive, continuous monitoring of renal function
Zhovaan Ramsaroop,Sean Rocke,Nalini Gayapersad,Jeevan Persad +3 more
- 01 Nov 2016
TL;DR: Non-invasive, continuous monitoring of renal function using a complementary split ring resonator (CSRR) microwave sensor confers potential benefits to meeting this clinical need.
6
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Material Characterization Using Complementary Split-Ring Resonators
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Chieh Sen Lee,Chin-Lung Yang +1 more
TL;DR: In this paper, a planar complementary split-ring resonator (CSRR) was used to measure the dielectric constants and loss tangents of material under test (MUT) using the equivalent RLC resonator circuit model.
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