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 …

AI-assisted ultra-high-sensitivity/resolution active-coupled CSRR-based sensor with embedded selectivity

M Abdolrazzaghi, N Kazemi, V Nayyeri, F Martin - Sensors, 2023 - mdpi.com
This research explores the application of an artificial intelligence (AI)-assisted approach to
enhance the selectivity of microwave sensors used for liquid mixture sensing. We utilized a …

Dual-sensing and dual-frequency microwave SRR sensor for liquid samples permittivity detection

S Kiani, P Rezaei, M Navaei - Measurement, 2020 - Elsevier
In this paper, a microwave sensor based on the split ring resonator has been proposed to
detect the real part of the dielectric constant of the liquid sample. The proposed structure …

High-resolution, sensitivity-enhanced active resonator sensor using substrate-embedded channel for characterizing low-concentration liquid mixtures

S Mohammadi, KK Adhikari, MC Jain… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Sensitivity and resolution are important parameters that pose a significant challenge in using
microwave microfluidic sensors to monitor low-concentration binary liquid mixtures. This …

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 …

Highly sensitive phase-variation dielectric constant sensor based on a capacitively-loaded slow-wave transmission line

A Ebrahimi, J Coromina, J Munoz-Enano… - … on Circuits and …, 2021 - ieeexplore.ieee.org
This paper presents a highly sensitive phase-variation sensor for dielectric constant
measurements based on a capacitively-loaded periodic slow-wave transmission line. Such …

Microwave sensor loaded with complementary curved ring resonator for material permittivity detection

X Han, X Li, Y Zhou, Z Ma, P Peng, C Fu… - IEEE Sensors …, 2022 - ieeexplore.ieee.org
In the field of microwave measurement, how to miniaturize devices and improve
measurement sensitivity is a major challenge. In this article, a planar microwave sensor …

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 …

Enhancing the sensitivity of dielectric sensors with multiple coupled complementary split-ring resonators

AM Albishi, MK El Badawe, V Nayyeri… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
This article presents a new concept for sensitivity enhancement of dielectric sensors by
loading a microstrip line with multiple coupled resonators. The concept is based on the …

[HTML][HTML] Design of miniaturized SIW filter loaded with improved CSRR structures

X Huang - Electronics, 2023 - mdpi.com
In recent years, Split-Ring Resonators (SRRs) and Complementary Split-Ring Resonators
(CSRRs) have gained significant attention for their unique electromagnetic properties, such …