Browsing by Author "Vakiv, M."
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Item Growth and Investigation of Colorless Lithium Tantalate Single Crystals for Optoelectronics(2017-05-29) Solskii, I.; Sugak, D.; Groshovyj, I.; Kapeliuh, Ye.; Hajduchok, V.; Kopko, B.; Vakiv, M.; Gaba, V.; Ubizskii, S.; Scientific Research Company “Carat”, Lviv, Ukraine; Lviv Polytechnic National University, UkraineItem Influence of Ag Nanofilms on the Optical Properties of LiNbO3(2017-05-29) Bolesta, I.; Vakiv, M.; Haiduchok, V.; Kushnir, O.; Demchuk, A.; Nastyshyn, S.; Gamernyk, R.; Ivan Franko National University of Lviv, Faculty of Electronics and Computer Technologies, Chair of; Radiophysics and Computer Technologies, 107 Gen. Tarnavskogo Str., 79017 Lviv, Ukraine; Scientific Research Company “Carat”, 202 Stryjska Str., 79031 Lviv, UkraineItem On the application of chalcogenide glasses in temperature sensors(Видавництво Львівської політехніки, 2012) Shpotyuk, M.; Chalyy, D.; Shpotyuk, O.; Iovu, M.; Andriesh, A.; Vakiv, M.; Ubizskii, S.In this paper we report about a possibility of application of chalcogenide glasses as active media in optoelectronic temperature sensors. All investigations were performed on a sample of Ge18As18Se64 chalcogenide glass as typical covalent network glass with rigid structure. Temperature dependence of optical transmission in the fundamental optical absorption edge region was studied through the glass transition interval. A monotone increasing temperature dependence of position of the fundamental optical absorption edge at the half maximum of its intensity was observed through the whole investigated temperature range as well as quasi-linear dependence upon the temperature in the region below glass transition.Item Optical absorption and luminescence of chromium doped Gd3Ga5O12 epitaxial films(Видавництво національного університету “Львівська політехніка”, 2009) Zakharko, Ya.; Syvorotka, I. I.; Luchechko, A.; Syvorotka, I. M.; Sugak, D.; Vakiv, M.Item Optical Investigation of Co Ions Diffusion in Gd3Ga5O12 Single Crystals(2017-05-29) Sugak, D.; Syvorotka, I. I.; Yakhnevych, U.; Buryy, O.; Zhydachevskii, Ya.; Suchocki, A.; Vakiv, M.; Ubizskii, S.; Lviv Polytechnic National University, Ukraine; Scientific Research Company “Carat”, Lviv, Ukraine; Institute of Physics, Polish Academy of Science, Warsaw, Poland; Institute of Physics, Kazimierz Wielki University, Bydgoszcz, Poland