Review of recent microwave planar resonator-based sensors: Techniques of complex permittivity extraction, applications, open challenges and future research …

RA Alahnomi, Z Zakaria, ZM Yussof, AA Althuwayb… - Sensors, 2021 - mdpi.com
Recent developments in the field of microwave planar sensors have led to a renewed
interest in industrial, chemical, biological and medical applications that are capable of …

A compact and low-profile curve-feed complementary split-ring resonator microwave sensor for solid material detection

AJA Al-Gburi, Z Zakaria, N Abd Rahman, S Alam… - Micromachines, 2023 - mdpi.com
A compact and low-profile curve-feed complementary split-ring resonator (CSRR)
microwave sensor for solid material detection is presented in this article. The curve-feed …

Passive split ring resonator tag configuration for RFID-based wireless permittivity sensing

BD Wiltshire, T Zarifi, MH Zarifi - IEEE Sensors Journal, 2019 - ieeexplore.ieee.org
Wireless electromagnetic detection of non-visible processes is a vital challenge when visual
signals are difficult to decipher or blocked, such is the case in pipelines, chemical reactions …

Constrained multi-objective optimization of compact microwave circuits by design triangulation and pareto front interpolation

S Koziel, A Pietrenko-Dabrowska - European Journal of Operational …, 2022 - Elsevier
Abstract Development of microwave components is an inherently multi-objective task. This is
especially pertinent to the design closure stage, ie, final adjustment of geometry and/or …

Detection of semi-solid materials utilizing triple-rings CSRR microwave sensor

AJA Al-Gburi, NA Rahman, Z Zakaria, M Palandoken - Sensors, 2023 - mdpi.com
This article proposes the design, fabrication and measurement of a triple-rings
complementary split-ring resonator (CSRR) microwave sensor for semi-solid material …

Passive matched mushroom structure for a high sensitivity low profile antenna-based material detection system

AM Gargari, MH Zarifi, L Markley - IEEE Sensors Journal, 2019 - ieeexplore.ieee.org
A passive multi-layered structure based on a mushroom high-impedance surface is
proposed as a part of a high sensitivity low profile antenna-based material detection system …

A modified SIW re-entrant microfluidic microwave sensor for characterizing complex permittivity of liquids

Y Chen, J Huang, Y Xiang, L Fu, W Gu… - IEEE Sensors …, 2021 - ieeexplore.ieee.org
In this paper, a modified substrate integrated waveguide (SIW) re-entrant microwave sensor
is implemented by an annular slot loaded SIW re-entrant cavity resonator (RECR) to …

Real‐time monitoring of Escherichia coli concentration with planar microwave resonator sensor

S Mohammadi, R Narang… - Microwave and …, 2019 - Wiley Online Library
This work presents a microfluidic chip integrated with a microwave resonator sensor for real‐
time and contactless detection of Escherichia coli bacteria concentration. The design is …

Microfluidic microwave sensor for detecting saline in biological range

J Kilpijärvi, N Halonen, J Juuti, J Hannu - Sensors, 2019 - mdpi.com
A device for measuring biological small volume liquid samples in real time is appealing. One
way to achieve this is by using a microwave sensor based on reflection measurement. A …

High Microwave Microfluidic Sensor Using a Central Gap Ring Resonator

H Hamzah, AA Abduljabar… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
In this article, a highly sensitive and compact microwave sensor with quality factor (Q≈
3000) is proposed for identifying and sensing liquid samples using a central gap ring …