Author

Andriy Fechan

Observed names: A Fechan, A. Fechan, A. V. Fechan, Andrii Fechan, Andrij Fechan, Andriy Vasylyovych Fechan, Fechan A, А. В. Фечан, Андрій Фечан, Фечан А

Institution: Lviv Polytechnic National University

Observed institution: Lviv Polytechnic National University

ORCID: 0000-0001-9970-5497

Observed ORCID: 0000-0001-9970-5497

OpenAlex ID: A5081855412

Cholesteric Liquid Crystal Doped by Nanosize Magnetite as an Active Medium of Optical Gas Sensor

2014 · Olena Aksimentyeva, Zenoviy Mykytyuk, et al. · Molecular Crystals and Liquid Crystals · 25

Primary converters for optical sensors of physical values based on polymer dispersed cholesteric liquid crystal

2017 · Y. Bashtyk, O. Bojko, et al. · Molecular Crystals and Liquid Crystals · 17

Electrical elements of the optical systems based on hydrogel - electrochromic polymer composites

2018 · Yu. Bashtyk, A. Fechan, et al. · Molecular Crystals and Liquid Crystals · 15

Lasing in imperfectly aligned cholesterics

2015 · T. H. Dudok, V. I. Savaryn, et al. · Applied Optics · 12

Functionally integrated sensors of thermal quantities based on optocoupler

2018 · Tomasz Zyska, Oksana Boyko, et al. · Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments (WILGA) · 10

Nanocomposite based on a liquid crystal doped with aluminum nitride nanotubes for optical sensor of sulfur dioxide

2015 · Taras Vitaliyovych Prystay, Zinoviy Matviyovych Mykytyuk, et al. · Journal of the Society for Information Display · 9

Electronic Processes and Energy Storage in Inorganic/Organic Nanohybrids

2014 · T. M. Bishchaniuk, O. V. Balaban, et al. · Molecular Crystals and Liquid Crystals · 9

Silicon dioxide nanoporous structure with liquid crystal for optical sensors

2014 · Orest Sushynskyi, Maria Vistak, et al. · Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE · 8

Optoelectronic multi-sensor of SO2 and NO2 gases

2016 · Zinoviy Mykytyuk, Andriy Fechan, et al. · International Conference on Modern Problems of Radio Engineering, Telecommunications and Computer Science · 7

Lasing cholesteric capsules

2016 · T Dudok, V Savaryn, et al. · Ukrainian Journal of Physical Optics · 7

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The Optical Element Based on a Planar Waveguide with Liquid Crystal Core

2007 · Z. Mykytyuk, A. Fechan, et al. · Molecular Crystals and Liquid Crystals · 7

Liquid crystal material for light modulators on the base of cholesteric-nematic phase transition

1996 · Zenoviy M. Mykytyuk, Andriy Fechan, et al. · Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE · 7

Change Data capture for migration to event-driven microservices Case Study

2023 · Artem Bashtovyi, Andriy Fechan · IEEE International Conference on Computer Sciences and Information Technologies (CSIT) · 5

Semiconductor clathrates with a periodically modulated topology of a host ferroelectric liquid crystal in thermal, magnetic, and light-wave fields

2014 · T. M. Bishchaniuk, I. I. Grygorchak, et al. · Technical Physics · 5

Lasing in a cholesteric liquid crystal doped with derivative of triphenylamine and 1,8-naphthalimide, and optical characterization of the materials

2014 · T Dudok, O Krupych, et al. · Ukrainian Journal of Physical Optics · 5

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New Method of the Threshold Voltages Determination of a Cholesteric-Nematic Transition

2011 · Z. Hotra, Z. Mykytyuk, et al. · Molecular Crystals and Liquid Crystals · 5

Determination of Elastic Constants of Nematic-Cholesteric Mixtures

1997 · M. Kurik, Z. Mikityuk, et al. · Molecular crystals and liquid crystals science technology. Section A, Molecular crystals and liquid crystals/Molecular crystals and liquid crystals science and technology. Section A, Molecular crystals and liquid crystals · 5

Development of the automated system of analysis and quality assessment of visible light sources

2022 · Taras Dyhdalovych, Andriy Fechan, et al. · IEEE International Conference on Advanced Trends in Radioelectronics, Telecommunications and Computer Engineering (TCSET) · 4

Dot lasers: isotropic droplets in a cholesteric matrix, and vice versa

2014 · T Dudok, V Savaryn, et al. · Ukrainian Journal of Physical Optics · 4

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The Current Phenomenon in the Indium-Tin Oxide-Alignment Layer-Liquid Crystal Structure

2010 · Z. Mykytyuk, A. Fechan, et al. · Acta Physica Polonica A · 4

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Study of Elastic Constants of Cholesteric–Nematic Mixtures

2008 · Z. Mykytyuk, A. Fechan, et al. · Molecular Crystals and Liquid Crystals · 4

Contactless dual-function sensors based on Si-cholesteric liquid crystal systems for optical identification

2024 · A. Fechan, Yu. Khoverko, et al. · Journal of Materials Science Materials in Electronics · 3

The main challenges of adaptability of swarm intelligence algorithms

2024 · І. О. Рабійчук, А. В. Фечан · Науковий вісник НЛТУ України · 3