Light-induced dynamics of liquid-crystalline droplets on the surface of iron-doped lithium niobate crystals

A Sterle, L Cmok, N Sebastián, A Mertelj… - Optical Materials …, 2023 - opg.optica.org
We investigated the effect of a photovoltaic field generated on the surface of iron-doped
lithium niobate crystals on sessile droplets of a ferroelectric nematic liquid crystalline and a …

Generation of regular optical patterns and photonic structures by a single Gaussian beam in a photorefractive LiNbO3: Fe crystal

L Tsarukyan, A Badalyan, F Devaux, M Chauvet… - Optics …, 2021 - Elsevier
… is explained with the light-induced complex refractive index … have been observed for light
intensities range of 10 3 ÷ 5 × 10 7 W… hopping charge transport mechanism in LN:Fe crystal can …

Electrical and photogalvanic properties of Fe: LiNbO3 thin films fabricated by ion slicing

G Grazian - thesis.unipd.it
… the drift mobility of the light-induced carriers in the material … a thin film of Fe:LiNbO3 in terms
of charge transport and this is … We performed a calibration of the light intensity as a function …

Photo‐Induced Electric Field Effects on Water Droplets Generated in a LiNbO3 Opto‐Microfluidic Platform

G Bragato, A Zaltron, M Zanardi… - Advanced Materials …, 2024 - Wiley Online Library
… is employed to generate light-induced photovoltaic fields, which … The one-center charge
transport model developed by … of the Fe:LN sample and on the illumination intensity (Equation (3)…

Bending optical soliton-induced waveguide channels in a photorefractive LiNbO3 crystal

L Tsarukyan, A Badalyan, R Drampyan - Applied Physics B, 2022 - Springer
… The light intensity modulation is usually achieved in two-beam [5] or multiple-beam [6] …
optical information transfer. Bright solitons occur when self-focusing due to light-induced positive …

Time evolution of photovoltaic fields generated by arbitrary light patterns in z-cut LiNbO3:Fe: application to optoelectronic nanoparticle manipulation

JF Muñoz-Martínez, Á Alcázar, M Carrascosa - Optics Express, 2020 - opg.optica.org
… to very high light-induced … as light intensity decreases gradually. However, despite that
absence of a precise limit, a peak of surface charge also occurs due to the lateral charge transport

Light-induced dynamics of liquid-crystalline droplets on the surface of iron-doped lithium niobate crystals

L Cmok, N Sebastián, A Mertelj, Y Kong… - arXiv preprint arXiv …, 2022 - arxiv.org
… of the X-cut and Z-cut LN:Fe plates. The field was generated by irradiation with a single
green laser beam with a Gaussian intensity profile. The experiments were performed at different …

[HTML][HTML] Optimization of Blue Photorefractive Properties and Exponential Gain of Photorefraction in Sc-Doped Ru:Fe:LiNbO3 Crystals

L Xu, G Chen - Crystals, 2022 - mdpi.com
light-induced scattering, hinder the applications of Fe:LiNbOlight intensity to the transmission
signal light intensity without … is the dominant charge transport mechanism and the light-…

Droplet Ejection and Liquid Jetting by Visible Laser Irradiation in Pyro‐Photovoltaic Fe‐Doped LiNbO3 Platforms

A Puerto, S Coppola, L Miccio, V Vespini… - Advanced Materials …, 2021 - Wiley Online Library
… Moreover, we proof the transport of latex microspheres … , the light-induced electric field
generated in the LiNbO 3 … center should be activated for higher light intensities than those used in …

Light and Thermally Induced Charge Transfer and Ejection of Micro‐/Nanoparticles from Ferroelectric Crystal Surfaces

C Sebastián‐Vicente… - Advanced Electronic …, 2022 - Wiley Online Library
… deposited on ferroelectric LiNbO 3 :Fe surfaces are ejected … charge test and explain all the
experiments on light-induced … depicted in Figure 4c for three light intensities. The kinetics is …