Ultrahigh-sensitivity microwave sensor for microfluidic complex permittivity measurement

A Ebrahimi, J Scott, K Ghorbani - IEEE Transactions on …, 2019‏ - ieeexplore.ieee.org
The conventional resonant-type microwave microfluidic sensors made of planar resonators
suffer from limited sensitivities. This is due to the existence of several distributed capacitors …

Low-cost portable microwave sensor for non-invasive monitoring of blood glucose level: Novel design utilizing a four-cell CSRR hexagonal configuration

AE Omer, G Shaker, S Safavi-Naeini, H Kokabi… - Scientific Reports, 2020‏ - nature.com
This article presents a novel design of portable planar microwave sensor for fast, accurate,
and non-invasive monitoring of the blood glucose level as an effective technique for …

Differential sensors using microstrip lines loaded with two split-ring resonators

A Ebrahimi, J Scott, K Ghorbani - IEEE Sensors Journal, 2018‏ - ieeexplore.ieee.org
This paper presents a microwave sensor using a pair of split-ring resonators (SRRs). The
sensor is designed by loading a microstrip transmission line by two identical SRRs on its …

Design and application of the CSRR-based planar sensor for noninvasive measurement of complex permittivity

MAH Ansari, AK Jha, MJ Akhtar - IEEE Sensors Journal, 2015‏ - ieeexplore.ieee.org
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 …

Ultrahigh-sensitivity microwave microfluidic sensors based on modified complementary electric-LC and split-ring resonator structures

WJ Wu, WS Zhao, DW Wang, B Yuan… - IEEE Sensors …, 2021‏ - ieeexplore.ieee.org
The paper proposes an ultrahigh sensitivity microwave sensor for retrieving the complex
permittivity of the liquid sample. The proposed sensor originally evolves from the …

Highly tunable hybrid metamaterials employing split-ring resonators strongly coupled to graphene surface plasmons

PQ Liu, IJ Luxmoore, SA Mikhailov… - Nature …, 2015‏ - nature.com
Metamaterials and plasmonics are powerful tools for unconventional manipulation and
harnessing of light. Metamaterials can be engineered to possess intriguing properties …

Multi-band RF planar sensor using complementary split ring resonator for testing of dielectric materials

MAH Ansari, AK Jha, Z Akhter… - IEEE Sensors Journal, 2018‏ - ieeexplore.ieee.org
In this paper, an attractive multi-band RF planar sensor, suitable for non-destructive testing
of dispersive materials, is proposed. The proposed sensor is based on a number of …

Dual-mode resonator for simultaneous permittivity and thickness measurement of dielectrics

A Ebrahimi, J Scott, K Ghorbani - IEEE Sensors Journal, 2019‏ - ieeexplore.ieee.org
This paper presents a microwave sensor for simultaneous measurement of permittivity and
thickness in dielectric materials. The sensor is made of a dual-mode magnetic-LC resonator …

A sensor for characterisation of liquid materials with high permittivity and high dielectric loss

C Wang, X Liu, Z Huang, S Yu, X Yang, X Shang - Sensors, 2022‏ - mdpi.com
This paper reports on a sensor based on multi-element complementary split-ring resonator
for the measurement of liquid materials. The resonator consists of three split rings for …

Design of high-sensitivity microfluidic sensor based on CSRR with interdigital structure

S Jiang, G Liu, M Wang, Y Wu, J Zhou - IEEE Sensors Journal, 2023‏ - ieeexplore.ieee.org
In this article, a highly sensitive microwave microfluidic sensor for measuring the complex
dielectric constant of liquid samples is proposed. The proposed sensor is based on a triple …