Nanoparticle-induced property changes in nematic liquid crystals

N Brouckaert, N Podoliak, T Orlova, D Bankova… - Nanomaterials, 2022 - mdpi.com
Do** liquid crystals with nanoparticles is a widely accepted method to enhance liquid
crystal's intrinsic properties. In this study, a quick and reliable method to characterise such …

Optical measurements of the twist constant and angle in nematic liquid crystal cells

D Bankova, N Podoliak, M Kaczmarek… - Scientific Reports, 2024 - nature.com
We present a reliable optical method for measuring the twist elastic constant K 2 and for
assessing the total twist angle in a standard nematic twist cell. The method relies on the use …

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 …

Characterization of optically thin cells and experimental liquid crystals

D Bankova, N Brouckaert, N Podoliak, B Beddoes… - Applied Optics, 2022 - opg.optica.org
The current development of new liquid crystal devices often requires the use of thin cells and
new experimental materials. Characterizing these devices and materials with optical …

Optical and electrical properties characterisation of photovoltaic spatial-light modulators

N Brouckaert, D Bankova, T Heiser… - Optical Materials …, 2023 - opg.optica.org
Liquid crystal photovoltaic spatial-light modulators use photovoltaic layers as an integrated
power source to switch from a transparent to an opaque state depending on the ambient …

High-accuracy and high-efficiency calibration method for determining voltage-phase characteristics of LCVR based on a Wollaston prism

R Yang, F Ma, W Dou, F Wang, T Meng, L Ren - Optics Communications, 2023 - Elsevier
Liquid crystal variable retarder (LCVR), as a promising and precision device in applications
of light field modulations and manipulations, has been widely used to change the phase and …

Fast method for liquid crystal cell spatial variations estimation based on modeling the spectral transmission

S Shmilovich, L Revah, Y Oiknine, I August… - Sensors, 2019 - mdpi.com
Liquid crystal phase retarders are utilized by photonic devices and imaging systems for
various applications, such as tunable filtering, light modulation, polarimetric imaging, remote …

Nanoparticle-induced property changes in nematic liquid crystals

M Kaczmarek, G D'alessandro, N Brouckaert… - …, 2022 - eprints.soton.ac.uk
Do** liquid crystals with nanoparticles is a widely accepted method to enhance liquid
crystal's intrinsic properties. In this study, a quick and reliable method to characterise such …

Improving performances of self-powered liquid crystal devices by do** and photovoltaic layers engineering

N Brouckaert - 2024 - eprints.soton.ac.uk
Liquid crystal devices with an integrated organic solar cell are semi-transparent light valves
that can modulate light upon illumination. The modulation and light sensitivity of such …

Reliable method to characterise parameters and surface effects in wedge and thin liquid crystal cells

B Stedman, B Beddoes, D Bankova… - Liquid Crystals …, 2024 - spiedigitallibrary.org
Augmented and virtual reality displays require the use of thin liquid crystal cells, with
thickness of the order of 1-2 µm. Here, we demonstrate a method, based on cross-polarised …