In this study, a microwave resonant sensor with an operation frequency of 9 GHz and a
quality factor of 240 has been designed, fabricated and tested by fingertips of the users to …

This paper reviews microwave sensors and their applications in permittivity measurement.
The detection, diagnosis, classification, and monitoring without contact and invasion have …

In this paper, a microwave sensor with a meandered microstrip structure is introduced to
measure the permittivity of the various liquids. The performance of the sensor is based on …

In this paper, a monopulse slot array antenna with substrate integrated waveguide (SIW) has
been designed and fabricated for application in tracking systems. This antenna has circular …

This paper introduces a symmetric bar chart-shape (SBCS) microwave sensor for measuring
permittivity of fluidic samples. For designing purposes, the introduced sensor was used …

Optical sensors are among the most significant optical devices that have found extensive
applications for THz sensing. Surface plasmon-based sensors have attracted increasing …

Industrial wastewater includes a large amount of nitrogen and phosphorus ions, which can
cause environmental pollution. This study proposed a microfluidic radiofrequency sensing …

This article proposes a dual-notch metamaterial-based complementary resonator that offers
high sensitivity, high q-factor, simple design, and low fabrication cost for low-permittivity solid …

A differential microwave sensor for simultaneously retrieving the thickness and dielectric
constant of material under test (MUT) based on a magnetic-LC (MLC) resonator is proposed …

This paper proposed a compact, high-sensitive S-band microwave sensor for low permittivity
characterization. The proposed microwave sensor is inspired by a metamaterials-based …