A generalized rectangular cavity approach for determination of complex permittivity of materials

AK Jha, MJ Akhtar - IEEE transactions on instrumentation and …, 2014 - ieeexplore.ieee.org
A novel cavity-based unified approach to measure the complex permittivity of dielectric
samples placed in the E-plane of a rectangular cavity is presented. The proposed …

Generalized multimode SIW cavity-based sensor for retrieval of complex permittivity of materials

NK Tiwari, AK Jha, SP Singh, Z Akhter… - IEEE Transactions …, 2018 - ieeexplore.ieee.org
In this paper, the generalized substrate integrated waveguide (SIW) cavity technique is
presented for the retrieval of broadband complex permittivity of medium loss dielectrics …

Advances in Polymer Based Microwave Absorbers: From Design Principles to Technological Breakthroughs

S Ray, R Panwar - IEEE Journal on Flexible Electronics, 2024 - ieeexplore.ieee.org
Designing effective microwave-absorbing materials (MAMs) and microwave-absorbing
structures (MASs) can be complex and requires a deep understanding of microwave …

[HTML][HTML] Measuring microwave dielectric properties of materials: theory and applications

LC Costa, SS Teixeira, F Henry - Materials Research Bulletin, 2024 - Elsevier
The knowledge of the microwave dielectric properties of materials has great significance for
scientific and industrial applications. The measurement of the complex permittivity, ε*= ε′− i …

Dielectric characterization by microwave cavity perturbation corrected for nonuniform fields

ND Orloff, J Obrzut, CJ Long, T Lam… - IEEE Transactions …, 2014 - ieeexplore.ieee.org
Nonuniform fields decrease the accuracy of dielectric characterization by microwave cavity
perturbation. These fields are due to the slot in the cavity through which the sample is …

[PDF][PDF] Dielectric permittivity measurement methods of textile substrate of textile transmission lines

J Lesnikowski - Przeglad Elektrotechniczny, 2012 - researchgate.net
The article describes measurement methods of the dielectric permittivity which is the most
important parameter of the substrate of new kind, textronic, transmission lines. The paper …

Characterization of Dielectric Properties of Graphene and Graphite Using the Resonant Cavity in 5G Test Band

VM Pereira, LG Hardt, DG Fantineli… - Journal of Microwaves …, 2023 - SciELO Brasil
This paper presents a study about the dielectric constant εr, dielectric loss tangent tan g (δ)
and effective electrical conductivity σe of graphene, graphite and graphene-bakelite …

Design of bridge type C-band planar RF sensor for detection of solute concentration level in water

A Banerjee, A Kumar, NK Tiwari… - IEEE Sensors …, 2021 - ieeexplore.ieee.org
In this paper, a planar Micro-strip-based bridge topology CSRR is proposed for the detection
of various solute concentrations in water sample. The designed bridge topology CSRR (B …

Permittivity measurement of thin dielectric materials from reflection-only measurements using one-port vector network analyzers

UC Hasar - Progress In Electromagnetics Research, 2009 - jpier.org
We have proposed a simple waveguide method for complex permittivity determination of
dielectric materials which are not completely filling the entire sample holder. The method …

Microfluidic device for compositional analysis of solvent systems at microwave frequencies

DJ Rowe, A Porch, DA Barrow, CJ Allender - Sensors and Actuators B …, 2012 - Elsevier
A device for analysing the chemical composition of single-and multi-phase solvent flows
using microfluidic dielectric spectroscopy is demonstrated in this work. An open-circuited …