Nanocomposite Photoanisotropic Materials for Applications in Polarization Holography and Photonics

D Nazarova, L Nedelchev, N Berberova-Buhova… - Nanomaterials, 2023 - mdpi.com
Photoanisotropic materials, in particular azodyes and azopolymers, have attracted
significant research interest in the last decades. This is due to their applications in …

In-line and off-axis polarization-selective holographic lenses recorded in azopolymer thin films via polarization holography and polarization multiplexing

L Nedelchev, G Mateev, L Nikolova, D Nazarova… - Applied Optics, 2023 - opg.optica.org
Polarization-selective diffractive in-line and off-axis lenses are recorded in azopolymer thin
films using polarization holography. A simple, yet efficient, and to the best of our knowledge …

Two-dimensional polarization holographic gratings in azopolymer thin films: polarization properties in the presence or absence of surface relief

G Mateev, L Nedelchev, L Nikolova, B Ivanov… - Photonics, 2023 - mdpi.com
During polarization holographic recording in azopolymer thin films, usually together with the
volume anisotropic grating, a surface relief grating (SRG) is also formed. By using two …

Understanding and predicting the environmental dispersion of iron oxide nanoparticles: a comprehensive study on synthesis, characterisation, and modelling

ML de Oliveira, J Cancino-Bernardi… - Environmental Science …, 2025 - pubs.rsc.org
Iron oxide nanoparticles (IONPs) are among the most versatile and applied nanoparticles
due to their unique properties. However, the distribution of these nanoparticles (NPs) in the …

Shape Retrieval of Azopolymer Surface Relief Gratings from Diffraction Efficiency Measurement

F Reda, F Borbone, M Salvatore… - ACS Applied Optical …, 2024 - ACS Publications
Azopolymers have enormous potential as real-time materials for lithography. Light-induced
surface deformations in these polymers enable single-step surface patterning, offering the …

[HTML][HTML] Density Functional Theory Prediction of Laser Dyes–Cucurbit [7] uril Binding Affinities

V Petkova, S Dobrev, N Kircheva, D Nazarova… - Molecules, 2024 - mdpi.com
Among a variety of diverse host molecules distinguished by specific characteristics, the
cucurbit [n] uril (CB) family stands out, being widely known for the attractive properties of its …

Hybrid Dispersion Model Characterization of PAZO Azopolymer Thin Films over the Entire Transmittance Spectrum Measured in the UV/VIS/NIR Spectral Region

D Minkov, L Nedelchev, G Angelov, E Marquez… - Materials, 2022 - mdpi.com
Notwithstanding the significant optical applicability of PAZO polymer films, there are no
accurate data about their optical characteristics. To remedy this shortcoming, in this study …

Tunable polarization holographic gratings obtained by varying the ratio of intensities of the recording beams

H Chen, Z Lyu, C Wang - Photonics Research, 2024 - opg.optica.org
Polarization holography has been extensively applied in many fields, such as optical
science, metrology, and biochemistry, due to its property of polarization modulation …

Structured polarized laser beams for controlled spiral-shaped mass transfer in azopolymer thin films

A Porfirev, S Khonina, D Porfirev, N Ivliev - Applied Optics, 2024 - opg.optica.org
We present an approach for the realization of controlled spiral-shaped mass transfer in
azopolymer thin films and the fabrication of spiral microreliefs. For such laser processing, we …

Blending Approach Preparation of PVA-g-PMA Films with Embedded “Green” Synthesized Silver Nanoparticles for Acetone Optical Detection

K Lazarova, D Christova, D Karashanova, B Georgieva… - Sensors, 2023 - mdpi.com
The blending approach (also known as the ex-situ approach) was used for the deposition of
thin composite films comprising poly (vinyl alcohol-graft-methyl acrylate)(PVA-g-PMA) and …