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 …

Topological steering of light by nematic vortices and analogy to cosmic strings

C Meng, JS Wu, II Smalyukh - Nature Materials, 2023 - nature.com
Liquid crystals are widely known for their technological uses in displays, electro-optics,
photonics and nonlinear optics, but these applications typically rely on defining and …

Planar optics with patterned chiral liquid crystals

J Kobashi, H Yoshida, M Ozaki - Nature Photonics, 2016 - nature.com
Reflective metasurfaces based on metallic,, and dielectric, nanoscatterers have attracted
interest owing to their ability to control the phase of light. However, because such …

Highly tunable refractive index visible-light metasurface from block copolymer self-assembly

JY Kim, H Kim, BH Kim, T Chang, J Lim, HM Jin… - Nature …, 2016 - nature.com
The refractive index of natural transparent materials is limited to 2–3 throughout the visible
wavelength range. Wider controllability of the refractive index is desired for novel optical …

Liquid-crystal-enabled active plasmonics: a review

G Si, Y Zhao, ESP Leong, YJ Liu - Materials, 2014 - mdpi.com
Liquid crystals are a promising candidate for development of active plasmonics due to their
large birefringence, low driving threshold, and versatile driving methods. We review recent …

Tunable optical negative-index metamaterials employing anisotropic liquid crystals

X Wang, DH Kwon, DH Werner, IC Khoo… - Applied Physics …, 2007 - pubs.aip.org
A full-wave analysis technique based on the finite element-boundary integral method is
developed and used to rigorously treat the scattering from periodically structured …

Adaptive dielectric liquid lens

H Ren, H Xianyu, S Xu, ST Wu - Optics express, 2008 - opg.optica.org
A tunable-focus liquid lens using dielectrophoretic effect is demonstrated. When a voltage is
applied to a dielectric liquid droplet, the generated electric field inside the droplet is …

Broadband circular polarizer using stacked chiral polymer films

Y Huang, Y Zhou, ST Wu - Optics express, 2007 - opg.optica.org
A scattering-free broadband (~ 120 nm bandwidth) circular polarizer is demonstrated by
stacking three chiral polymer films with different pitch lengths. Using 4x4 matrix method, we …

Tunable-focus liquid microlens array using dielectrophoretic effect

H Ren, ST Wu - Optics express, 2008 - opg.optica.org
A tunable-focus liquid microlens array based on dielectro-phoretic effect was demonstrated.
In a lens cell, two immiscible dielectric liquids but with different dielectric constants are …