Graphene deposited liquid crystal and thermal sensitivity using photonic crystals

HA Elsayed, FA Sayed, AH Aly - Physica Scripta, 2021 - iopscience.iop.org
In this work, we present a simple design to act as a temperature sensor based on the well-
known one dimensional photonic crystal. The main idea of the proposed sensor is …

Sensitivity enhancement of annular one dimensional photonic crystals temperature sensors with nematic liquid crystals

MM Abadla, HA Elsayed, A Mehaney - Physica Scripta, 2020 - iopscience.iop.org
A novel design of one dimensional annular photonic crystals with a low birefringence
nematic liquid crystal as a defect layer is introduced. The output field of the sensor structure …

The directed self-assembly of reflective liquid crystalline polymer films to form polarization-independent diffractive optical elements

MJ Moran, O Ouskova, KM Gerosa, A Tabirian… - Polymer, 2023 - Elsevier
The directed self-assembly of liquid crystal polymers enables significantly enhanced optical
properties compared to conventional isotropic optical materials. The transmissive properties …

Analytical design of optical color filter using bi-layered chiral liquid crystal

D Wang, S Nam, SS Choi - Optical Materials Express, 2022 - opg.optica.org
We introduce an optically controllable color filter model using bi-layered CLC structure. From
mathematical parameter sweep analysis using 4× 4 matrix method, wavelength controls of …

Electrically reconfigurable optical color filters using heterogeneous chiral liquid crystals

SS Choi, D Wang, S Nam, W Jung - 2022 - researchsquare.com
Optical signals necessitate using optical filters that selectively transmit light with the desired
wavelength information. In visual imaging-related optical devices, a color filter acts as an …

Effect of sectional polymerization process on tunable twist structure liquid crystal filters

C Sun, J Lu - Crystals, 2019 - mdpi.com
The effect of sectional polymerization process on tunable filters with cholesteric liquid crystal
(CLC) and blue phase liquid crystal (BPLC) is demonstrated. The bandwidths of the polymer …

Reflectivity of cholesteric liquid crystals with an anisotropic defect layer inside

D Grzelczyk, J Awrejcewicz - Photonics, 2020 - mdpi.com
In this study, first, we numerically investigated the reflectivity of a cholesteric liquid crystal
with an anisotropic defect layer inside. To model optical phenomena in the examined …

Theoretical framework to describe the reflection of circularly polarized light by a natural photonic crystal: elytron of a Chrysina resplendens scarab

WE Vargas - Optics Continuum, 2022 - opg.optica.org
A theoretical treatment of the optical properties of chiral materials exhibiting a photonic
crystal behavior is summarized and extended. It can be applied to interpret the photonic …

Preface to the special issue of the International Conference on Dynamical Systems-Theory and Applications (DSTA 2017)

J Awrejcewicz, E Macau - Latin American Journal of Solids and …, 2019 - SciELO Brasil
We are pleased to present this Special Issue of the Latin American Journal of Solids and
Structures, which is devoted to the 14th International Conference on “Dynamical Systems …