Search Results - "PODRAZKY, O"

Thulium-doped optical fibers for fiber lasers operating at around 2 µm by Kasik, I, Kamradek, M, Aubrecht, J, Peterka, P, Podrazky, O, Cajzl, J, Mrazek, J, Honzatko, P

“…The paper deals with spectral and lasing characteristics of thulium-doped optical fibers fabricated by means of two doping techniques, i.e. via a conventional…”
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Fiber-optic pH detection in small volumes of biosamples by Kasik, I, Mrazek, J, Martan, T, Pospisilova, M, Podrazky, O, Matejec, V, Hoyerova, K, Kaminek, M

“…Determining the pH values of microscopic plant samples may help to explain complex processes in plants, so it is an area of interest to botanists. Fiber-optic…”
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Erbium and Al2O3 nanocrystals-doped silica optical fibers by Kasik, I., Podrazky, O., Mrazek, J., Cajzl, J., Aubrecht, J., Probostova, J., Peterka, P., Honzatko, P., Dhar, A.

“…Fibre lasers and inherently rare-earth-doped optical fibers nowadays pass through a new period of their progress aiming at high efficiency of systems and their…”
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Determination of concentration of living immobilized yeast cells by fluorescence spectroscopy by Podrazky, O., Kuncova, G.

“…Fluorescence spectroscopy is one of suitable methods for the direct monitoring of immobilized cells because it does not require (in certain arrangement)…”
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Thermal stability and photoluminescence properties of RE-doped (RE = Ho, Er, Tm) alumina nanoparticles in bulk and fiber-optic silica glass by Vařák, P., Mrázek, J., Jasim, A.A., Bysakh, S., Dhar, A., Kamrádek, M., Podrazký, O., Kašík, I., Bartoň, I., Nekvindová, P.

“…We present the thermal stability and the photoluminescence properties of RE-doped (RE = Ho, Er, Tm) alumina nanoparticles in the phase system Al2O3-SiO2 with…”
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Efficient approach to designing low OH diffusion in the thermally shaped double-clad fibers by Jasim, A. A., Peterka, P., Podrazký, O., Kamrádek, M., Todorov, F., Honzátko, P.

“…•OH penetrations depth into preforms surface during manufacturing with MCVD was measured to be ~600 μm.•Treating preforms with HF acid prior CO2 laser shaping…”
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Monitoring of the viability of cells immobilized by sol-gel process by G.KUNCOVA, PODRAZKY, O, RIPP, S, TRÖGL, J, SAYLER, G. S, DEMNEROVA, K, VANKOVA, R

“…Three different types of cells, Pseudomonas fluorescens HK44, Saccharomyces cerevisiae strain SP4 and plant cells Nicotiana tabacum L. BY-2, were immobilized…”
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Reflectivity of transient Bragg reflection gratings in fiber laser with laser-wavelength self-sweeping by Peterka, P, Honzátko, P, Koška, P, Todorov, F, Aubrecht, J, Podrazký, O, Kašík, I

“…We present a method for the estimation of the reflection spectra of transient gratings in rare-earth doped fiber lasers having a self-sweeping of laser…”
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Detection of hydrocarbons using suspended core microstructured optical fiber by Martan, T., Aubrecht, J., Podrazký, O., Matějec, Vl, Kašík, I.

“…Monitoring of dangerous hydrocarbons is an important issue for both chemical process control in industry and protection of the environment. Vapors of toluene…”
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Reflectivity of transient Bragg reflection gratings in fiber laser with laser-wavelength self-sweeping: erratum by Peterka, P, Honzátko, P, Koška, P, Todorov, F, Aubrecht, J, Podrazký, O, Kašík, I

“…This erratum presents a correction to the computed reflection spectra of transient fiber Bragg gratings that are spontaneously built-up in the ytterbium-doped…”
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Growth model and metabolic activity of brewing yeast biofilm on the surface of spent grains: A biocatalyst for continuous beer fermentation by Branyik, T, Vicente, A.A, Kuncova, G, Podrazky, O, Dostalek, P, Teixeira, J.A

“…In the continuous systems, such as continuous beer fermentation, immobilized cells are kept inside the bioreactor for long periods of time. Thus an important…”
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Monolithic thulium-doped fiber laser with UV femtosecond-laser-induced fiber-Bragg-grating pair by Peterka, P., Honzatko, P., Becker, M., Todorov, F., Pisafik, M., Podrazky, O., Kasik, I.

“…In this paper, we present monolithic thulium-doped fiber laser (TDFL) emitting in the region around 2 μm. To our knowledge, this is the first rare-earth-doped…”
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The influence of immobilization of Pseudomonas sp. 2 on optical detection of polychlorinated biphenyls by Kuncova, G, Triska, J, Vrchotova, N, Podrazky, O

“…The cells Pseudomonas sp. 2 were immobilized on porous glass surface (S), encapsulated into alginate beads (A), encapsulated into alginate beads coated with a…”
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Preparation and characterization of thin transducer layers sensitive to free chlorine in water by Kasik, I., Mrazek, J., Podrazky, O., Seidl, M., Aubrecht, J., Tobiska, P., Matejec, V., Kovacs, B., Markovics, A., Szili, M., Vlckova, K.

“…The paper deals with preparation and characterization of layers of optical absorption transducers sensitive to free chlorine in water and based on commercially…”
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Monitoring the growth and stress responses of yeast cells by two-dimensional fluorescence spectroscopy: First results by PODRAZKY, O, KUNCOVA, G, KRASOWSKA, A, SIGLER, K

“…S. cerevisiae growth and responses to different treatments were monitored by two-dimensional fluorescence spectroscopy, which simultaneously detects the…”
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Nanoparticle doping as a way to enhance holmium fiber lasers efficiency by Kamrádek, M., Kašík, I., Aubrecht, J., Vařák, P., Podrazký, O., Bartoň, I., Pokorný, J., Peterka, P., Honzátko, P.

“…Highly-doped holmium fibers have been prepared using modified chemical vapor deposition in combination with nanoparticle-doping method. Within a series of…”
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Thulium-doped optical fibers for fiber lasers operating at around 2 µm by Kasik, I., Kamradek, M., Aubrecht, J., Peterka, P., Podrazky, O., Cajzl, J., Mrazek, J., Honzatko, P.

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Fiber-optic detection of chlorine in water by Kasik, Ivan, Mrazek, Jan, Podrazky, Ondrej, Seidl, Miroslav, Aubrecht, Jan, Tobiska, Petr, Pospisilova, Marie, Matejec, Vlastimil, Kovacs, Barna, Markovics, Akos, Szili, Monika

“…Monitoring of the chlorine content represents important issue of the control of water quality. Crucial points of this control are detection of low chlorine…”
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Preparation and Characterization of Bragg Fibers for Delivery of Laser Radiation at 1064 nm by V. Matejec, I. Kasik, O. Podrazky, J. Aubrecht, M. Frank, M. Jelinek, V. Kubecek

“…Bragg fibers offer new performance for transmission of high laser energies over long distances. In this paper theoretical modeling, preparation and…”
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Reflectivity of transient Bragg reflection gratings in fiber laser with laser-wavelength self-sweeping: erratum by Peterka, P., Honzátko, P., Koška, P., Todorov, F., Aubrecht, J., Podrazký, O., Kašík, I.

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