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Petr Vařák
Petr Vařák
Institute of Photonics and Electronics, Czech Academy of Sciences
Verified email at ufe.cz
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Year
Nanoparticle and solution doping for efficient holmium fiber lasers
M Kamrádek, I Kašík, J Aubrecht, J Mrázek, O Podrazký, J Cajzl, P Vařák, ...
IEEE Photonics Journal 11 (5), 1-10, 2019
522019
Luminescence and laser properties of RE-doped silica optical fibers: The role of composition, fabrication processing, and inter-ionic energy transfers
P Vařák, M Kamrádek, J Mrázek, O Podrazký, J Aubrecht, P Peterka, ...
Optical Materials: X 15, 100177, 2022
342022
Preparation and properties of Tm-doped SiO2-ZrO2 phase separated optical fibers for use in fiber lasers
P Vařák, J Mrázek, W Blanc, J Aubrecht, M Kamrádek, O Podrazký
Optical Materials Express 10 (6), 1383-1391, 2020
312020
Energy transfer coefficients in thulium-doped silica fibers
M Kamrádek, J Aubrecht, P Vařák, J Cajzl, V Kubeček, P Honzátko, ...
Optical Materials Express 11 (6), 1805-1814, 2021
242021
Near-infrared photoluminescence enhancement and radiative energy transfer in RE-doped zinc-silicate glass (RE= Ho, Er, Tm) after silver ion exchange
P Vařák, P Nekvindová, S Vytykáčová, A Michalcová, P Malinský, ...
Journal of Non-Crystalline Solids 557, 120580, 2021
242021
Heat treatment and fiber drawing effect on the luminescence properties of RE-doped optical fibers (RE= Yb, Tm, Ho)
P Vařák, I Kašík, P Peterka, J Aubrecht, J Mrázek, M Kamrádek, ...
Optics Express 30 (6), 10050-10062, 2022
212022
Thermal stability and photoluminescence properties of RE-doped (RE= Ho, Er, Tm) alumina nanoparticles in bulk and fiber-optic silica glass
P Vařák, J Mrázek, AA Jasim, S Bysakh, A Dhar, M Kamrádek, O Podrazký, ...
Optical Materials 118, 111239, 2021
212021
Near-infrared photoluminescence properties of Er/Yb-and Ho/Yb-doped multicomponent silicate glass–The role of GeO2, Al2O3 and ZnO
P Vařák, P Nekvindová, J Baborák, J Oswald
Journal of Non-Crystalline Solids 582, 121457, 2022
192022
The influence of copper and silver in various oxidation states on the photoluminescence of Ho3+/Yb3+ doped zinc-silicate glasses
P Vařák, S Vytykáčová, P Nekvindová, A Michalcová, P Malinský
Optical Materials 91, 253-260, 2019
152019
Erbium–bismuth-doped germanium silicate active optic glass for broad-band optical amplification
J Šmejcký, V Jeřábek, D Mareš, J Voves, P Vařák, J Cajzl, J Oswald, ...
Optical Materials 137, 113621, 2023
102023
Holmium-doped fibers for efficient fiber lasers at 2100 nm
M Kamrádek, J Aubrecht, M Jelínek, M Frank, P Peterka, P Honzátko, ...
Mid-Infrared Coherent Sources, MTh3C. 5, 2020
62020
A study of the behaviour of copper in different types of silicate glasses implanted with Cu+ and O+ ions
B Švecová, P Vařák, S Vytykáčová, P Nekvindová, A Mackova, P Malinský, ...
Nuclear Instruments and Methods in Physics Research Section B: Beam …, 2017
62017
Nanocrystalline (HoxY1−x)2Ti2O7 luminophores for short- and mid-infrared lasers
J Mrázek, S Kamrádková, J Buršík, R Skála, I Bartoň, P Vařák, Y Baravets, ...
Journal of Sol-Gel Science and Technology 107 (2), 320-328, 2023
52023
Crystallization and luminescence properties of Er/Yb-doped glass-ceramics based on A2O-ZnO-SiO2 system (A= Li, Na, K, Cs)
P Vařák, J Baborák, E Véron, A Michalcová, J Volf, M Allix, P Nekvindová
Journal of Non-Crystalline Solids 626, 122783, 2024
42024
Nanocrystalline ceramic luminophores for short-and mid-infrared
J Mrázek, P Vařák, J Aubrecht, S Vytykáčová, Y Baravets, I Kašík
2020 22nd International Conference on Transparent Optical Networks (ICTON), 1-4, 2020
42020
High-power laser tests of phosphate glass-based bioresorbable optical fibers transmission
P Peterka, M Písařík, H Turčičová, J Černohorská, O Podrazký, ...
Micro-structured and Specialty Optical Fibres VI 11029, 172-177, 2019
42019
Heat treatment and fiber drawing effect on the matrix structure and fluorescence lifetime of Er-and Tm-doped silica optical fibers
P Vařák, M Kamrádek, J Aubrecht, O Podrazký, J Mrázek, I Bartoň, ...
Optical Materials Express 14 (4), 1048-1061, 2024
32024
Key melt properties for controlled synthesis of glass beads by aerodynamic levitation coupled to laser heating
J Baborák, M Yembele, P Vařák, S Ory, E Véron, MJ Pitcher, M Allix, ...
International Journal of Applied Glass Science 14 (3), 455-467, 2023
32023
Optimization of erbium and ytterbium concentration in nanostructured core fiber for dual-wavelength fiber lasers
I Barton, M Franczyk, P Peterka, J Aubrecht, P Vařák, M Kamrádek, ...
Specialty Optical Fibres 12573, 167-173, 2023
32023
The preparation and characterization of copper-containing thin films prepared by the sol-gel method on various glasses
P Vařák, B Švecová, D Horkavcova, S Vytykáčová
Ceramics–Silikáty 61 (2), 99-105, 2017
32017
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