Zobrazeno 1 - 10
of 746
pro vyhledávání: '"Andrushchak, A."'
Autor:
Buryy, Oleh, Shulha, Dmytro, Andrushchak, Nazariy, Danylov, Andriy, Sahraoui, Bouchta, Andrushchak, Anatoliy
Publikováno v:
Appl. Opt. 63, 3725-3735 (2024)
The optimal geometries of vector phase matching are determined for the cases of second harmonic, sum and difference frequency generation in a number of orthorhombic nonlinear optical crystals - KTP, KTA, KB5, KNbO3, LBO, CBO, LRB4. Extreme surface me
Externí odkaz:
http://arxiv.org/abs/2409.19009
Publikováno v:
2020 IEEE 15th International Conference on Advanced Trends in Radioelectronics, Telecommunications and Computer Engineering (TCSET), Lviv-Slavske, Ukraine, 2020, pp. 421-424
The optimal conditions of electro-optic interaction in lead germanate crystals are determined and the geometries of the electro-optic cells of modulators of infrared electromagnetic radiation are proposed.
Externí odkaz:
http://arxiv.org/abs/2410.05282
Autor:
Yaroslav Shchur, Houda El Karout, Bouchta Sahraoui, Anatoliy Andrushchak, Guillermo Beltramo, Denys Pustovyi, Svetlana Vitusevich, Patrick Huber, Andriy V. Kityk
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-14 (2024)
Abstract We demonstrate a hybrid nanocomposite combining mesoporous silica, p $$\hbox {SiO}_2$$ SiO 2 , as a host medium and guest lithium niobate $$\hbox {LiNbO}_3$$ LiNbO 3 nanocrystals embedded into tubular silica nanochannels by calcination of th
Externí odkaz:
https://doaj.org/article/85c34f8fb05349689d24103ac79ea682
Autor:
Yanchuk, Oleksandr, Marchuk, Oleg V., Myronchuk, Galyna, Moroz, Iryna A., Andrushchak, Nazariy, Vyshnevskyi, Oleksii A., Kityk, Iwan V., Kityk, Andriy V., Ozga, Katarzyna, Jedryka, Jaroslaw, Wojciechowski, Artur, Andrushchak, Anatoliy
Publikováno v:
2020 IEEE 15th International Conference on Advanced Trends in Radioelectronics, Telecommunications and Computer Engineering (TCSET), 2020, pp. 988-992
We report the synthesis, structure and nonlinear optical properties of cadmium sulphide (CdS) nanocrystallines (NCs) synthesized electrochemically both with and without detergent ATLAS G3300. Relevant structural and morphological features are explore
Externí odkaz:
http://arxiv.org/abs/2209.11179
Publikováno v:
In Optical Materials November 2024 157 Part 1
Autor:
Reddy, A. Siva Sesha, Kityk, A. V., Jedryka, J., Purnachand, N., Rakus, P., Wojciechowski, A., Andrushchak, A. S., Kumar, V. Ravi, Veeraiah, N.
Publikováno v:
Optical Materials v.123 (2022) art. no 111858
In this work, nonlinear optical (NLO) studies of nickel oxide doped (ranging from 0.2 to 1.0 mol%) Li2SO4-MgO-P2O5 glasses are reported. A combination of femtosecond (fs) laser, as a pumping light source and a high-accuracy polarimeter with low power
Externí odkaz:
http://arxiv.org/abs/2210.00141
Autor:
V.D. Moskaliuk, I.V. Balaniuk, M.O. Andrushchak, B.V. Sirota, L.M. Honcharuk, N.V. Сhernetska, V.V. Ilika
Publikováno v:
Medičnì Perspektivi, Vol 29, Iss 1, Pp 67-74 (2024)
WHO has recognized that COVID-19 is a global pandemic. In the conditions when COVID-19 continues to spread rapidly throughout the world, covering different groups of the population, and despite the fact that the existing standards of care for these
Externí odkaz:
https://doaj.org/article/8450b609ebcf41028c843ee481338f23
Akademický článek
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Autor:
Shchur, Yaroslav, Beltramo, Guillermo, Andrushchak, Anatolii S., Vitusevich, Svetlana, Huber, Patrick, Adamiv, Volodymyr, Teslyuk, Ihor, Boichuk, Nazarii, Kityk, Andriy V.
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 275, 121157 (2022)
The lattice dynamics of preferentially aligned nanocrystals formed upon drying of aqueous Ba(NO$_3$)$_2$ solutions in a mesoporous silica glass traversed by tubular pores of approximately 12 nm are explored by Raman scattering. To interpret the exper
Externí odkaz:
http://arxiv.org/abs/2205.01452
Autor:
Kityk, Andriy V., Nowak, Marcjan, Reben, Manuela, Pawlik, Piotr, Lelonek, Monika, Andrushchak, Anatoliy, Shchur, Yaroslav, Andrushchak, Nazariy, Huber, Patrick
Photonic metamaterials with properties unattainable in base materials are already beginning to revolutionize optical component design. However, their exceptional characteristics are often static, as artificially engineered into the material during th
Externí odkaz:
http://arxiv.org/abs/2107.01363