Low-temperature treated polypyrrole coated cotton fabrics for efficient electromagnetic interference shielding

L Zou, Y Sun, T Dou, M Yao, Z Xu, C Lan - Cellulose, 2023 - Springer
Conductive polymer coatings have exhibited great potential for wearable electromagnetic
interference (EMI) shielding fabrics. Here, we report an efficient yet simple strategy to …

Determination of reference-plane invariant, thickness-independent, and broadband constitutive parameters of thin materials

UC Hasar, Y Kaya, JJ Barroso… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
We propose an effective microwave method for reference-plane-invariant and thickness-
independent constitutive parameters measurement of thin materials. A function depending …

Determination of complex permittivity of low-loss samples from position-invariant transmission and shorted-reflection measurements

UC Hasar - IEEE Transactions on Microwave Theory and …, 2017 - ieeexplore.ieee.org
In this paper, we devise a position-invariant method for unique and accurate complex
permittivity (ε r) determination of low-loss samples from transmission and shorted-reflection …

Self-calibrating transmission-reflection technique for constitutive parameters retrieval of materials

UC Hasar - IEEE Transactions on Microwave Theory and …, 2017 - ieeexplore.ieee.org
A self-calibrating transmission-reflection method for extraction of electromagnetic properties
of materials from waveguide measurements is proposed. It relies on three measurement …

A split meander line resonator-based permittivity and thickness sensor design for dielectric materials with flat surface

O Altintas, M Aksoy, E Unal, F Karakasli… - Journal of Electronic …, 2018 - Springer
A metamaterial-based permittivity and thickness sensor structure for dielectric substrate
material has been proposed at the X band frequency regime. The sensor structure is …

A new dual-channel measurement method for accurate characterization of low-permittivity and low-loss materials

X Hao, L Weijun, G Qiulai - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
A dual-channel attenuation measurement system has been developed to measure the
dielectric properties of low-permittivity and low-loss homogenous materials. The scattering …

Self-calibrating noniterative complex permittivity extraction of thin dielectric samples

UC Hasar, Y Kaya - IEEE Transactions on Electromagnetic …, 2017 - ieeexplore.ieee.org
A microwave method relying on uncalibrated scattering (S-) parameters is proposed to
measure the complex permittivity (ε r) of thin dielectric samples. It has the following two main …

Electromagnetic characterization of thin dielectric materials from amplitude-only measurements

UC Hasar, M Bute - IEEE Sensors Journal, 2017 - ieeexplore.ieee.org
A method is proposed for unique and accurate permittivity (ε r) extraction of low-loss thin
samples from reference-plane-invariant amplitude-only measurements without resorting to …

Investigation of transmitted, reflected, and absorbed powers of periodic and aperiodic multilayered structures composed of bi-anisotropic metamaterial slab and …

UC Hasar, JJ Barroso, Y Kaya, T Karacali… - Photonics and …, 2015 - Elsevier
In this study, we investigate transmitted, reflected, and absorbed powers in forward and
backward directions of periodic and aperiodic multilayered structures composed of bi …

Time‐modulated metasurface‐assisted measurements

S Ghasemi, H Rajabalipanah… - Advanced Optical …, 2021 - Wiley Online Library
This paper explores time‐modulated metasurface‐assisted waveguide setups for the unique
and accurate permittivity and permeability extraction of lossy dispersive samples with phase …