Search Results - "Schröfel, J."

Surface plasmon resonance biosensor based on integrated optical waveguide by Dostálek, J, Čtyroký, J, Homola, J, Brynda, E, Skalský, M, Nekvindová, P, Špirková, J, Škvor, J, Schröfel, J

“…We report a sensor based on spectral interrogation of surface plasmon resonance (SPR) in an integrated optical waveguide-coupled SPR sensing device. We present…”
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Properties of RF magnetron sputtered gallium nitride semiconductors doped with erbium by Peřina, V., Macková, A., Hnatowicz, V., Prajzler, V., Machovič, V., Matějka, P., Schröfel, J.

“…GaN is a wide direct band‐gap (Eg ∼ 3.4 eV) semiconductor which is attractive for optical devices. Trivalent erbium (Er3+) is an efficient luminescent centre…”
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Erbium doping into lithium niobate and sapphire single crystal wafers by Nekvindova, P., Spirkova-Hradilova, J., Schröfel, J., Perina, V.

“…The possibility of localized doping by Er3+ diffusion at moderate (less than 500 °C) temperature was for the first time demonstrated for sapphire single…”
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Planar and channel optical waveguide loss measurement using optical phase conjugation in BaTiO3 by HRIBEK, P, SLUNECKO, M, SCHRÖFEL, J

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Integrated waveguide structures prepared in very pure glass by electric field assisted K +–Na + ion exchange by Kosı́ková, Jitka, Schröfel, Josef

“…This report is centred around research into waveguides prepared by K +–Na + ion exchange with the help of an electric field. The goals of this work were to…”
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Planar optical waveguides prepared in GIL49 and BK7 glass substrates by K+-Na+ ion exchange with the electric field assistance by KOSIKOVA, J, SCHRÖFEL, J

“…This report focuses on research into waveguides prepared by K+-Na+ ion exchange with the help of an electric field, and the subsequent comparison with…”
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Importance of crystal structure of the substrate for diffusion technologies of waveguides fabrication by Nekvindová, P, Špirková, J, Vacı́k, J, Červená, I, Peřina, V, Schröfel, J

“…Effect of different crystallographic structure of various substrate cuts on diffusion processes into optical crystals is demonstrated for lithium niobate and…”
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Effect of divalent cations on properties of Er3+-doped silicate glasses by CAPEK, P, MIKA, M, OSWALD, J, TRESNAKOVA, P, SALAVCOVA, L, KOLEK, O, SCHROFEL, J, SPIRKOVA, J

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Planar and Channel Optical Waveguide Loss Measurement Using Optical Phase Conjugation in BaTiO 3 by Hribek, P., Slunecko, M., Schröfel, J.

“…A new methodology of the propagation loss coefficient measurement with an accuracy of at least 10 -3 cm -1 is demonstrated using a single-pass transmission…”
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3-D analysis of LiNbO3: Ti channel waveguides and directional couplers by Ctyroky, J., Hofman, M., Janta, J., Schrofel, J.

“…An efficient method of calculation of effective refractive indexes and field distribution of guided optical modes in diffused channel waveguides and…”
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Integrated waveguide structures prepared in very pure glass by electric field assisted K super(+)-Na super(+) ion exchange by Kosikova, J, Schrofel, J

“…This report is centred around research into waveguides prepared by K super(+)-Na super(+) ion exchange with the help of an electric field. The goals of this…”
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Effect of divalent cations on properties of Er 3+-doped silicate glasses by Capek, P., Mika, M., Oswald, J., Tresnakova, P., Salavcova, L., Kolek, O., Schrofel, J., Spirkova, J.

“…In order to design silicate glasses suitable as the host media for the Er 3+ ions we studied a role of divalent cations (magnesium, calcium and/or zinc) on the…”
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Planar waveguides prepared by K+–Na+ field-assisted ion exchange in different types of silicate glass by Kosikova, J, Schrofel, J

“…The goal of this work was to address the technological problems associated with waveguide preparation by thermal- and electric-field–assisted K+–Na+ ion…”
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Erbium doping into thin carbon optical layers by Prajzler, Václav, Hüttel, Ivan, Nekvindová, Pavla, Schröfel, Josef, Macková, Anna, Gurovič, Jan

“…Study of fabrication and properties of the carbon layers by using the plasma assisted chemical vapour deposition apparatus is reported. The layers were grown…”
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RBS measurement of depth profiles of erbium incorporated into lithium niobate for optical amplifier applications by Peřina, Vratislav, Vacı́k, Jiřı́, Hnatovicz, Vladimı́r, Červená, Jarmila, Kolářová, Pavla, Špirková-Hradilová, Jarmila, Schröfel, Josef

“…Rutherford Backscattering Spectrometry (RBS) was used for the determination of Er 3+ concentration profiles in locally doped lithium niobate. The doped layers…”
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Li+ for Na+ ion exchange in Na2O-rich glass: An effective method for fabricating low-loss optical waveguides by SCHRÖFEL, Josef, SPIRKOVA, Jarmila, BURIAN, Zdenek, DRAHOS, Vaclav

“…The aim was to develop and to test material and technological solutions for the preparation of planar and channel optical waveguides in substrates made of…”
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Diagnostic Methods for Planar Optical Waveguides by J. Schrofel, M. Skalsky, J. Janta, J. Ctyroky

“…Basic diagnostic methods for examining planar optical waveguides, namely the mode spectroscopy for determining the propagation constants of waveguide modes and…”
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3-D analysis of LiNbO(3): Ti channel waveguides and directional couplers by Hofman, M, Janta, J, Schrofel, J

“…An efficient method of calculation of effective refractive indexes and field distribution of guided optical modes in diffused channel waveguides and…”
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3-D analysis of LiNbO 3 : Ti channel waveguides and directional couplers by Ctyroky, J., Hofman, M., Janta, J., Schrofel, J.

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