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 …

[HTML][HTML] A review of chipless remote sensing solutions based on RFID technology

K Mc Gee, P Anandarajah, D Collins - Sensors, 2019 - mdpi.com
Chipless Radio Frequency Identification (RFID) has been used in a variety of remote
sensing applications and is currently a hot research topic. To date, there have been a large …

Differential microwave sensor for characterization of glycerol–water solutions

A Ebrahimi, FJ Tovar-Lopez, J Scott… - Sensors and Actuators B …, 2020 - Elsevier
This article presents a microwave sensor for detecting the water volume fraction in the
glycerol–water solutions. The sensor is designed using a planar transmission line …

High-sensitivity detection of solid and liquid dielectrics using a branch line coupler sensor

A Ebrahimi, K Ghorbani - IEEE Transactions on Microwave …, 2023 - ieeexplore.ieee.org
This article presents a sensor based on branch line couplers for detection of dielectric
samples. The two branches of the coupler are used as sensing elements, where one of them …

Microwave sensor for detection of solid material permittivity in single/multilayer samples with high quality factor

S Kiani, P Rezaei, M Navaei… - IEEE Sensors …, 2018 - ieeexplore.ieee.org
In this paper, a planar microstrip sensor based on a band-stop filter for determining relative
permittivity of solid materials is presented. The proposed sensor has been composed of the …

Compact size, and highly sensitive, microwave sensor for non-invasive measurement of blood glucose level

P Mohammadi, A Mohammadi, S Demir… - IEEE Sensors …, 2021 - ieeexplore.ieee.org
None-invasive blood glucose measurement enables effective diagnosis and treatment of
diabetic patients. The existing microwave sensors suffer from low sensitivity and large size …

Novel microwave fluid sensor for complex dielectric parameter measurement of ethanol–water solution

M Palandoken, C Gocen, T Khan, Z Zakaria… - IEEE Sensors …, 2023 - ieeexplore.ieee.org
In this article, a 2.45-GHz band microwave sensor (MWS) design is introduced to be utilized
for the dielectric constant determination of ethanol–water solutions. The introduced MWS is …

Characterization of dielectric substrates using dual band microwave sensor

A Armghan, TM Alanazi, A Altaf, T Haq - IEEE Access, 2021 - ieeexplore.ieee.org
In this work, a compact, inexpensive, and efficient dual band microwave sensor is proposed.
The sensor is based on two Complementary Symmetric Split-Ring Resonators (CSSRRs) …

Dynamically tunable planar microwave resonator sensor using liquid metal alloy

MA Rafi, F Niknahad, BD Wiltshire… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Microwave resonant sensors are limited in their current form to a static resonant frequency,
which can lead to misidentification when two materials or mixtures with similar dielectric …