Ultrabroadband gradient-pitch Bragg-Berry mirrors

M Rafayelyan, G Agez, E Brasselet - Physical Review A, 2017 - APS
The realization of a geometric phase optical device operating over a broad spectral range is
usually confronted with intrinsic limitations depending on the physical process at play. Here …

Adjustable active–passive dual-frequency liquid crystal smart window based on thermally responsive chiral molecules

ZW Lu, VY Zyryanov, W Lee - Journal of Molecular Liquids, 2024 - Elsevier
We present a cholesteric liquid crystal (CLC) smart window with both passive and active
control mechanisms, capable of reversible thermo-optical switching from high-transmission …

[HTML][HTML] Electromagnetic guided waves in composite liquid crystal-based interfaces

G Reyes, P Panayotaros, JA Reyes - Journal of Applied Physics, 2024 - pubs.aip.org
We study an air–crown glass planar interface that includes a thin layer of a cholesteric liquid
crystal doped with silver spheres of nanometer size. We propose a new theoretical model for …

Diffusion and adsorption-desorption phenomena in confined systems with periodically varying medium

MC Fernandes, EK Lenzi, LR Evangelista, Q Li… - Chemical Engineering …, 2021 - Elsevier
We study diffusing particles in a confined liquid whose diffusion coefficient periodically
varies across the sample. The limiting substrates may adsorb-desorb particles when …

Graded circular Bragg reflectors: a semi-analytical retrieval of approximate pitch profiles from Mueller-matrix data

A Mendoza-Galván, K Järrendahl, H Arwin - Journal of Optics, 2019 - iopscience.iop.org
Graded pitch profiles are found in structurally chiral materials like cholesteric liquid crystals
(CLC) and in the cuticle of some scarab beetles. In most cases, the pitch profile is …

Lasing peculiarities in cholesteric multilayer structure with dye-doped polymer film depending on the concentration of laser dye and pum** energy

TM Sarukhanyan, H Gharagulyan… - … Crystals and Liquid …, 2021 - Taylor & Francis
We have experimentally investigated lasing peculiarities in a cholesteric liquid crystal–dye-
doped polymer layer–cholesteric liquid crystal three-layer wedge-cell system with different …

Spectral peculiarities of multilayer cholesteric wedge-cell system with dye-doped polymer layer

H Gharagulyan, TM Sarukhanyan, AV Ninoyan… - Optics and …, 2020 - Springer
Spectral properties of the three-layered wedge-cell system of two identical cholesteric layers
with an isotropic defect (dye-doped polymer layer) between them were investigated …

Adsorption Phenomena and Anomalous Behavior

LR Evangelista, EK Lenzi - An Introduction to Anomalous Diffusion and …, 2023 - Springer
This chapter deals with illustrative problems involving anomalous diffusion behavior in
connection with adsorption phenomena at the interface between a solid and a fluid phase …