Light‐responsive polymer membranes

E Pantuso, G De Filpo… - Advanced Optical Materials, 2019 - Wiley Online Library
Stimuli‐responsive polymer membranes have gained particular attention for the ability to
tune opportunely their physicochemical properties under the application of an external …

All-optical switching of liquid crystals at terahertz frequencies enabled by metamaterials

B Beddoes, E Perivolari, M Kaczmarek… - Optics …, 2023 - opg.optica.org
Nematic liquid crystals integrated with metallic resonators (metamaterials) are intriguing
hybrid systems, which not only offer added optical functionalities, but also promote strong …

Two-dimensional snapshot measurement of surface variation of anchoring in liquid crystal cells

E Perivolari, G D'Alessandro, V Apostolopoulos… - Liquid …, 2021 - Taylor & Francis
Enhanced, photoactive response can be realised by integrating liquid crystals with
photoalignment or photoconductive alignment layers. Such cells, asymmetric by design …

Photo-patterned memory state based on nematic-silica-dye suspension

HC Lin, YS Liu, KC Wu, YL Hsiao, CY Tai… - Journal of Molecular …, 2022 - Elsevier
The influence of photoalignment on the memory state of nematic liquid crystals (LCs) doped
with silica nanoparticles and azo dyes was studied. The memory state of the LC sample with …

Quantum and bistable magneto-conductive signatures in multiwall carbon nanotubes decorated with bimetallic Ni and Pt nanoparticles driven by phonons

JA García-Merino, E Jiménez-Marín… - OSA …, 2019 - opg.optica.org
The quantum impact of magnetic and optical effects on electrical properties exhibited by
multiwall carbon nanotubes decorated with bimetallic nanoparticles integrated by platinum …

Analysis of light diffraction by azobenzene-based photoalignment layers

A Berdin, JR Gill, E Perivolari, J Kauppo… - Optics …, 2022 - opg.optica.org
Photoalignment materials, such as the azobenzene-based PAAD series studied here, are
becoming increasingly important in liquid crystal-based optical devices and displays. Yet …

Efficient scattering model of multilayer systems with anisotropic films

JR Gill, E Perivolari, M Kaczmarek, G D'Alessandro - JOSA A, 2021 - opg.optica.org
We present an intuitive and efficient method for modeling light propagation in layered
isotropic and anisotropic media, which we call the Iterated Ray Method. Considering a …

In situ, spatially variable photoalignment of liquid crystals inside a glass cell using brilliant yellow

J Lall, H Zappe - Photosensitive Materials and their …, 2022 - spiedigitallibrary.org
The ability to control the alignment of liquid crystals (LCs) is a prerequisite for all LC
applications such as LC displays, LC polarization gratings, and even for liquid crystal …

Lensing and waveguiding in birefringent double-twist cylinders demonstrated using FDTD simulations

J Pišljar, M Ravnik - Optics express, 2018 - opg.optica.org
We demonstrate that birefringent profiles of double-twist cylinders, found in some chiral
nematic systems such as blue phases, can perform as polarization-selective microlenses …

Liquid crystal and meta-surface devices for enhancing light manipulation from visible to thz regime

E Perivolari - 2021 - eprints.soton.ac.uk
Liquid crystals lie at the heart of many light-switching devices. Convectional devices switch
as a result of the imposition of an external voltage, leading to an electric field inside the bulk …