Prof. Victor Yu. Reshetnyak
Professor at Taras Shevchenko National Univ of Kyiv
SPIE Involvement:
Conference Program Committee | Author
Area of Expertise:
Liquid crystals , photorefraction , optics , metamaterials , plasmonics
Websites:
Profile Summary

• Photorefractive effect in liquid crystals. Theoretical modelling of photorefractive effect and two beam coupling in LC filled with ferroelectric nanoparticles, LC placed between two photo-conducting surfaces. Gain coefficient is calculated and compared with the experimental results
• LC filled with nano-and micro-particles. Estimated the phase transition temperature shift and order parameter change due to the particles presence. Electro- magneto-optics of LC filled with ferroic particles. Threshold electric/magnetic field and refractive index dependence on the field strength are calculated and compared with the experimental data
• Adaptive LC lenses. Focal length dependence on the applied electric field is calculated
• Polymer dispersed liquid crystals (PDLC). Effective dielectric function and light scattering cross sections are calculated in PDLC
• Photoalignment of LCs. Theoretical modelling of photo-induced change in liquid crystal director anchoring and pretilt angle onto photosensitive aligning surfaces
• Surface phenomena and anchoring effects in liquid crystals. Theoretical modelling of director finite anchoring effect onto light scattering in LCs
• Linear and nonlinear optics of liquid crystals (including conformational nonlinearity) Theoretical modelling of LC refractive index change and phase transition temperature shift due to photoinduced change in the conformation of LC molecules
Publications (49)

Proceedings Article | 13 March 2024 Presentation
Proceedings Volume PC12907, PC129070K (2024) https://doi.org/10.1117/12.3010521

SPIE Journal Paper | 14 December 2023 Open Access
JOM, Vol. 3, Issue 04, 041201, (December 2023) https://doi.org/10.1117/12.10.1117/1.JOM.3.4.041201
KEYWORDS: Liquid crystals, Liquid crystal displays, Virtual reality, Projection systems, Vertical cavity surface emitting lasers, Modulators, Lenses, Augmented reality, Antennas, Manufacturing

Proceedings Article | 29 September 2023 Presentation
Yi-Hsin Lin, Wei-Cheng Cheng, Victor Reshetnyak
Proceedings Volume PC12658, PC1265808 (2023) https://doi.org/10.1117/12.2679427
KEYWORDS: Liquid crystals, Lenses, Wavefronts, Liquids, Gradient-index optics, Crystals

SPIE Journal Paper | 19 September 2023 Open Access
Ivan Yakovkin, Victor Reshetnyak
JOM, Vol. 3, Issue 04, 041203, (September 2023) https://doi.org/10.1117/12.10.1117/1.JOM.3.4.041203
KEYWORDS: Liquid crystals, Antennas, Reflectivity, Absorbance, Incident light, Optical properties, Liquids, Crystals, Electric fields, Absorption

Proceedings Article | 25 February 2020 Presentation + Paper
Proceedings Volume 11303, 1130304 (2020) https://doi.org/10.1117/12.2553688
KEYWORDS: Liquid crystals, Lenses, Electrodes, Geometrical optics, Modulation, Refractive index, Spherical lenses, Contact lenses

Showing 5 of 49 publications
Conference Committee Involvement (1)
Liquid Crystals Optics and Photonic Devices
8 April 2024 | Strasbourg, France
Course Instructor
NON-SPIE: Classical elecrodynamics
NON-SPIE: Theory of liquid crystals
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