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 …

Reconfigurable folded reflectarray antenna based upon liquid crystal technology

S Bildik, S Dieter, C Fritzsch, W Menzel… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
A reconfigurable antenna based on the liquid crystal technology is presented in this paper.
The antenna comprises a planar lower reflector with an incorporated feed at its center and a …

Active and tunable nanophotonic metamaterials

K Fan, RD Averitt, WJ Padilla - Nanophotonics, 2022 - degruyter.com
Metamaterials enable subwavelength tailoring of light–matter interactions, driving
fundamental discoveries which fuel novel applications in areas ranging from compressed …

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 …

A 2-D Electronically Steered Phased-Array Antenna With 22 Elements in LC Display Technology

OH Karabey, A Gaebler, S Strunck… - IEEE Transactions on …, 2012 - ieeexplore.ieee.org
For the first time, a 2-D electronically steered phased-array antenna with a liquid-crystal (LC)-
based variable delay line is presented. The structure, which is designed at 17.5 GHz …

A frequency and pattern reconfigurable antenna array based on liquid crystal technology

Y Zhao, C Huang, AY Qing, X Luo - IEEE Photonics Journal, 2017 - ieeexplore.ieee.org
A reconfigurable antenna array based on liquid crystal (LC) technology is proposed, which
can dynamically tune operation frequency and achieve beam steering. The antenna element …

A liquid crystal tunable metamaterial unit cell for dynamic metasurface antennas

PY Wang, B Sievert, JT Svejda… - … on Antennas and …, 2022 - ieeexplore.ieee.org
This communication presents a liquid crystal (LC)-based electronically tunable metamaterial
unit cell that can serve as a building block for dynamic metasurface antennas (DMAs). The …

Highly miniaturized continuously tunable phase shifter based on liquid crystal and defected ground structures

D Wang, E Polat, H Tesmer, R Jakoby… - IEEE Microwave and …, 2022 - ieeexplore.ieee.org
This letter presents a highly miniaturized continuously tunable microstrip line phase shifter
from 10 to 67 GHz. The design takes the advantage of the microstrip line topology by a …

Liquid crystal phase shifters at millimeter wave frequencies

Y Garbovskiy, V Zagorodnii, P Krivosik… - Journal of Applied …, 2012 - pubs.aip.org
We demonstrate an on-wafer liquid crystal phase shifter which has a tunable 0–300/cm
phase shift at 110 GHz. The results show no dispersion over the entire frequency range …