Planar microwave sensors have become increasing developed in recent decades,
especially in material characterization (solid/liquid) as they provide regions highly sensitive …

Planar phase-variation microwave sensors have attracted increasing interest in recent years
since they combine the advantages of planar technology (including low cost, low profile, and …

This paper presents a single-frequency reflective-mode phase-variation microwave sensor
devoted to the dielectric characterization of materials. The device is implemented in …

This article presents a low-cost and portable phase-variation planar microwave sensor
operating in reflective mode, where the output variable, the phase of the reflection coefficient …

Highly sensitive permittivity sensors operating in reflection and exploiting phase variation
are presented in this article. The sensors are one-port structures implemented by means of a …

A phase variation-based rotation sensor is presented in this article. The sensor is realized
using a coplanar waveguide (CPW) terminated with a stepped impedance resonator. A …

This article presents a small-sized and highly sensitive planar microwave permittivity sensor
based on a pair of weakly coupled step-impedance resonators (SIRs), the sensing elements …

This article proposes a highly sensitive single-frequency microwave sensor for dielectric
characterization of solids and liquids. The sensor is a reflective-mode one-port device …

A wide dynamic range reflective mode displacement sensor is designed in this article based
on the resonance frequency shift. The linearity of the sensor is enhanced using a tapered …

A one-port reflective-mode microwave submersible sensor based on an open-ended step-
impedance microstrip line configuration, operating at a single frequency, useful for the …