Liquid Crystals for Advanced Smart Devices with Microwave and Millimeter‐Wave Applications: Recent Progress for Next‐Generation Communications

J Ma, J Choi, S Park, I Kong, D Kim, C Lee… - Advanced …, 2023 - Wiley Online Library
Liquid crystals (LCs) technology have a well‐established history of applications in visible
light, particularly in the display industry. However, with the rapid growth in communication …

[HTML][HTML] Microwave liquid crystal enabling technology for electronically steerable antennas in SATCOM and 5G millimeter-wave systems

R Jakoby, A Gaebler, C Weickhmann - Crystals, 2020 - mdpi.com
Future satellite platforms and 5G millimeter wave systems require Electronically Steerable
Antennas (ESAs), which can be enabled by Microwave Liquid Crystal (MLC) technology …

Liquid‐crystal high‐frequency microwave technology: materials and characterization

DC Zografopoulos, A Ferraro… - Advanced Materials …, 2019 - Wiley Online Library
Ever since the advent of microwave technology, tunable devices, such as phase shifters,
resonators, and antennas, have been indispensable in applications requiring …

Aligning liquid crystal materials through nanoparticles: A review of recent progress

J Prakash, A Kumar, S Chauhan - Liquids, 2022 - mdpi.com
Liquid crystals (LCs) have become indispensable materials in everyday life, with their
applications ranging from high-resolution television displays to being a part of sophisticated …

Measurement of dielectric properties of nematic liquid crystals at millimeter wavelength

S Bulja, D Mirshekar-Syahkal, R James… - IEEE Transactions …, 2010 - ieeexplore.ieee.org
Due to their large birefringence and moderately low loss, liquid crystals (LCs) are a
promising dielectric media for development of a variety of reconfigurable millimeter-wave …

Wavespy: Remote and through-wall screen attack via mmwave sensing

Z Li, F Ma, AS Rathore, Z Yang, B Chen… - … IEEE Symposium on …, 2020 - ieeexplore.ieee.org
Digital screens, such as liquid crystal displays (LCDs), are vulnerable to attacks (eg,"
shoulder surfing") that can bypass security protection services (eg, firewall) to steal …

Electrically controllable composite right/left-handed leaky-wave antenna using liquid crystals in PCB technology

BJ Che, T Jin, D Erni, FY Meng… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
A design method for electrically controllable composite right/left-handed (CRLH) leaky-wave
antennas (LWAs) with large beam-steering range employing liquid crystal (LC) in printed …

Liquid crystals for signal processing applications in the microwave and millimeter wave frequency ranges

R Camley, Z Celinski, Y Garbovskiy… - Liquid Crystals …, 2018 - Taylor & Francis
Liquid crystal technology has a long well-established history of applications in visible light,
primarily in the display industry. In contrast, applications at lower frequencies (microwave …

Complex permittivity measurements of liquid crystals using epsilon-near-zero metamaterials

C Ding, Y Wang, J Zhou, H Mu, Y Han… - … on Antennas and …, 2023 - ieeexplore.ieee.org
Liquid crystals (LCs) are a kind of anisotropic materials with tunable dielectric properties in
the microwave frequency band, which is of great significance for designing reconfigurable …

Microstrip device for broadband (15–65 GHz) measurement of dielectric properties of nematic liquid crystals

P Deo, D Mirshekar-Syahkal, L Seddon… - IEEE Transactions …, 2015 - ieeexplore.ieee.org
The essential dielectric properties, the basic alignment techniques, and the common
measurement methods of the nematic liquid crystal (LC) at RF are briefly reviewed. A new …