Search Results - "Barton, Ivo"

Photocatalytic activity of nanostructured TiO 2 coating on glass slides and optical fibers for methylene blue or methyl orange decomposition under different light excitation by Barton, Ivo, Matejec, Vlastimil, Matousek, Josef

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Fiber-Optic Nanosensors for Chemical Detection by Matějec, Vlastimil, Kašík, Ivan, Bartoň, Ivo

“…Recently, rapid progress has been achieved in the field of nanomaterial preparation and investigation. Many nanomaterials have been employed in optical…”
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Nanoparticle doping and molten-core methods towards highly thulium-doped silica fibers for 0.79 μm-pumped 2 μm fiber lasers – A fluorescence lifetime study by Vařák, Petr, Leich, Martin, Kamrádek, Michal, Aubrecht, Jan, Podrazký, Ondřej, Bartoň, Ivo, Švejkarová, Bára, Michalcová, Alena, Wondraczek, Katrin, Jäger, Matthias, Kašík, Ivan, Peterka, Pavel, Honzátko, Pavel

“…We study the fluorescence lifetime of Thulium-doped silica fibers for efficient laser operation in the 2 μm “eye-safe” wavelength range pumped by 0.79 μm…”
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Capillary optical fibers based on SiO2 –TiO2–P2O5 and TiO2–P2O5 internal coatings prepared by sol-gel method by Barton, Ivo, Matejec, Vlastimil, Podrazky, Ondrej

“…This paper presents a novel approach to the preparation of capillary optical fibers using sol-gel method. It employs a novel modification of sol-gel techniques…”
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Photocatalytic activity of nanostructured TiO2 coating on glass slides and optical fibers for methylene blue or methyl orange decomposition under different light excitation by Barton, Ivo, Matejec, Vlastimil, Matousek, Josef

“…•Photocatalytic decompossition of methylene blue or methyl orange catalysed by nanostructured TiO2 coatings on glass slides and silica fibers under different…”
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Properties of silica and silica-titania layers fabricated from silica sols containing fumed silica by Barton, Ivo, Matejec, Vlastimil, Mrazek, Jan, Predoana, Luminita, Zaharescu, Maria

“…Silica layers fabricated by the sol-gel method are usually amorphous and exhibit a relatively low refractive index (n∼1.46 at about 0.6 μm), high optical…”
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Optical properties of As2S3 layers deposited from solutions obtained by chemical reaction by Matějec, Vlastimil, Pedliková, Jitka, Barton, Ivo

“…This paper deals with three approaches for the preparation of arsenic sulfide layers from solutions. First approach employs arsenic sulfide solutions obtained…”
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Optical properties of As2S3 layers deposited from solutions by Matějec, Vlastimil, Pedliková, Jitka, Barton, Ivo, Zavadil, Jiri, Kostka, Petr

“…This paper presents results of the preparation and optical characterization of As2S3 layers by using spin or dip-coating technique and As2S3 solutions in…”
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Extrinsic Fiber-Optic Sensor for Detection of Saliva pH by Matějec, Vlastimil, Barton, Ivo, Pospisilova, Marie, Traplova, Lenka

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Preparation of Bragg mirrors on silica optical fibers and inner walls of silica capillaries by employing the sol–gel method, and titanium and silicon alkoxides by Barton, Ivo, Matejec, Vlastimil, Jan Mrazek, Podrazky, Ondrej, Matousek, Josef

“…The paper presents results on sol–gel preparation and characterization of multilayered coatings, Bragg mirrors, on silica slides, silica fibers, and inner…”
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Transparent Ceramic Films for Short- and Mid- Infrared Lasers by Mrazek, Jan, Podrazky, Ondrej, Aubrecht, Jan, Barton, Ivo, Baravets, Yauhen, Probostova, Jana

“…Fiber laser power has increased significantly over the past two decades, reaching hundreds of kilowatts. However, the limited thermal stability or high phonon…”
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Nanoceramic materials for power lasers operating in short- mid-infrared by Barton, Ivo, Podrazky, Ondrej, Varak, Petr, Probostova, Jana, Mrazek, Jan

“…A tremendous scientific effort has been devoted to finding materials suitable for high-power laser operations in the field of "eye-safe" infrared lasers for…”
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Transparent ceramics for high-power infrared lasers operating above μm by Mrazek, Jan, Podrazky, Ondrej, Vakrak, Petr, Barton, Ivo, Probostova, Jana

“…Solid-state lasers are a key part of advanced devices and great efforts has devoted to improving their performance, including the research of novel materials…”
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Nanocrystalline (HoxY1−x)2Ti2O7 luminophores for short- and mid-infrared lasers by Mrázek, Jan, Kamrádková, Soňa, Buršík, Jiří, Skála, Roman, Bartoň, Ivo, Vařák, Petr, Baravets, Yauhen, Podrazký, Ondřej

“…We present a versatile sol–gel approach for low-phonon nanocrystalline (Ho x Y 1−x ) 2 Ti 2 O 7 , x  = <0.01, 0.40> exhibiting luminescence within the spectral…”
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CO 2 laser assisted processing of (Ho 0.05 Y 0.95 ) 2 Ti 2 O 7 coatings for infrared photonics by Podrazký, Ondřej, Vařák, Petr, Bartoň, Ivo, Proboštová, Jana, Mrázek, Jan

“…We demonstrated CO 2 laser assisted processing of highly transparent (Ho 0.05 Y 0.95 ) 2 Ti 2 O 7 nanocrystalline coatings. The amorphous coating of the…”
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Acoustic vibrations sensitivity of negative curvature hollow core optical fibres (Invited) by Honzatko, Pavel, Borodkin, Andrei, Baravets, Yauhen, Moravec, Ondrej, Podrazky, Ondrej, Barton, Ivo, Jasim, Ali

“…We report on various aspects of interaction of acoustic waves with light guided in negative curvature hollow core fibres. Backscattering in these fibres is…”
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Fluorescence lifetime of highly rare-earth-doped silica optical fibers - the influence of composition and fabrication processing by Varak, Petr, Peterka, Pavel, Kamradek, Michal, Aubrecht, Jan, Podrazky, Ondrej, Barton, Ivo, Kasik, Ivan, Honzatko, Pavel

“…Rare-earth (RE) doped optical fibers based on silica glass are frequently used as active gain medium in optical fiber lasers or amplifiers. Amongst other RE…”
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Yttrium aluminium garnet doped fiber lasers operating at 2 μm by Probostova, Jana, Kamradek, Michal, Barton, Ivo, Podrazky, Ondrej, Aubrecht, Jan, Varak, Petr, Mrazek, Jan

“…Rare earth doped yttrium aluminium garnet represents a key photonic material for a construction of solid state and fiber lasers. We prepared active optical…”
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CO2 laser assisted processing of (Ho0.05Y0.95)2Ti2O7 coatings for infrared photonics by Podrazký Ondřej, Vařák Petr, Bartoň Ivo, Proboštová Jana, Mrázek Jan

“…We demonstrated CO2 laser assisted processing of highly transparent (Ho0.05Y0.95)2Ti2O7 nanocrystalline coatings. The amorphous coating of the thickness of 577…”
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Optical Properies of Active Fibers with Nanostructured Cores by Buczynski, Ryszard, Aubrecht, Jan, Pysz, Dariusz, Barton, Ivo, Franczyk, Marcin, Kamradek, Michal, Filipkowski, Adam, Kasik, Ivan, Peterka, Pavel

“…Nanostructured optical fibers are a new class of fibers with a core composed of various glass nanorods ordered in arbitrary structures. We study an influence…”
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