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 …

High birefringence liquid crystals

R Dąbrowski, P Kula, J Herman - Crystals, 2013 - mdpi.com
Liquid crystals, compounds and mixtures with positive dielectric anisotropies are reviewed.
The mesogenic properties and physical chemical properties (viscosity, birefringence …

A high birefringence liquid crystal for lenses with large aperture

N Bennis, T Jankowski, O Strzezysz, A Pakuła… - Scientific reports, 2022 - nature.com
This work presents the application of an experimental nematic liquid crystal (LC) mixture
(1929) in a large aperture lens. The LC material is composed of terphenyl and biphenyl …

Liquid crystal lens with large focal length tunability and low operating voltage

H Ren, DW Fox, B Wu, ST Wu - Optics express, 2007 - opg.optica.org
We demonstrate a tunable focus liquid crystal (LC) lens by sandwiching a homogeneous LC
layer between a planar electrode and a curved electrode. The curved electrode which is …

High temperature-gradient refractive index liquid crystals

J Li, S Gauzia, ST Wu - Optics express, 2004 - opg.optica.org
We have analyzed the physical origins of the temperature gradient of the ordinary refractive
index (dn_o/dT) of liquid crystals. To achieve a large dn_o/dT, high birefringence and low …

[HTML][HTML] Highly birefringent, low-loss liquid crystals for terahertz applications

M Reuter, N Vieweg, BM Fischer, M Mikulicz, M Koch… - APL materials, 2013 - pubs.aip.org
With growing interest in switchable devices for the THz frequency range, there is a strong
demand for liquid crystals (LC) exhibiting both a high birefringence and a low absorption …

Super high birefringence isothiocyanato biphenyl-bistolane liquid crystals

S Gauza, CH Wen, ST Wu… - Japanese journal of …, 2004 - iopscience.iop.org
We have designed, synthesized, and evaluated the physical properties of some high
birefringence (Δn) isothiocyanato biphenyl-bistolane liquid crystals. These compounds …

The design of liquid crystalline bistolane-based materials with extremely high birefringence

Y Arakawa, S Kang, H Tsuji, J Watanabe, G Konishi - RSC advances, 2016 - pubs.rsc.org
We designed three new bistolanes with alkylsulfanyl groups. A symmetric derivative
contains short terminal methylsulfanyl groups (–SCH3) on both ends, while two asymmetric …

Cyclopalladated ferrocenylimines: efficient catalysts for homocoupling and Sonogashira reaction of terminal alkynes

F Yang, X Cui, Y Li, J Zhang, G Ren, Y Wu - Tetrahedron, 2007 - Elsevier
A novel pathway for homocoupling of terminal alkynes has been described using
cyclopalladated ferrocenylimine 1 or 2/CuI as catalyst in the air. This catalytic system could …

Fast switching liquid crystals for color-sequential LCDs

S Gauza, X Zhu, W Piecek, R Dabrowski… - Journal of Display …, 2007 - opg.optica.org
High birefringence (0.3< Δn< 0.4) and relatively low-viscosity liquid crystal mixtures
containing isothiocyanato tolane and isothiocyanato terphenyl liquid crystals are developed …