Zobrazeno 1 - 10
of 78
pro vyhledávání: '"B. Svecova"'
Autor:
Ammar Ahmed, B. Svecova, Ali Ajami, M. Shahid Rafique, Saman Iqbal, Rabia Ahmad, Shazia Bashir, Pavla Nekvindova
Publikováno v:
Laser and Particle Beams. 37:61-66
Two-photon absorption (TPA) of Au-ion irradiated glasses in the femtosecond regime has been analyzed by an open-aperture Z scan technique. Three types of glasses, namely GIL49, BK7, and Glass B were irradiated by using 1700 keV Au+ ion beams. Samples
Autor:
Jarmila Spirkova, B. Svecova, S. Stanek, Jiří Oswald, S. Vytykacova, O. Barkman, Pavla Nekvindova, Martin Mika
Publikováno v:
Optical Materials. 72:183-189
A set of zinc-silicate glasses with different ratios of Er-Yb as well amount of Zn was fabricated. The preparation of silver doped glasses was carried out using the Ag-Na ion-exchange method to enhance Er-Yb luminescence properties of the material. T
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 406:42-47
Polymethylmethacrylate thin foils were prepared by using physical and chemical processes aimed at changing certain properties. The density and the optical properties were changed obtaining clear and opaque foils. DC magnetron sputtering method was us
Autor:
B. Svecova, Jarmila Spirkova, Jiri Oswald, P. Malinsky, S. Stanek, Anna Macková, S. Vytykacova, Pavla Nekvindova, Martin Mika
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 371:350-354
A set of zinc-silicate glasses with different ratios of erbium and ytterbium was fabricated. To achieve Ag-rich thin films in a sub-surface layer, ion-implantation technique at an energy of 1.2 MeV and 1.7 MeV with a fluence of 1 × 10 16 cm −2 was
Autor:
Jiri Oswald, Richard A. Wilhelm, B. Svecova, Jakub Cajzl, Pavla Nekvindova, P. Malinsky, Anna Macková
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 365:89-93
This paper reports on the importance of crystallographic cuts with a different orientation on the luminescent properties and structural changes of Al2O3 implanted with Er+ ions at 190 keV and with a fluence of 1.0 × 1016 cm−2. Post-implantation an
Publikováno v:
Journal of Non-Crystalline Solids. 426:159-163
The commercially available glass BK7 was chosen to prepare silver-rich layer within the glass by the silver (Ag) ion exchange method in order to enhance its nonlinear optical properties. The glass substrates were doped with Ag at 320 °C by a 50-minu
Autor:
B. Svecova, S. Vytykacova, Petr Vařák, Roman Böttger, Anna Macková, Pavla Nekvindova, Petr Malinský
Publikováno v:
Nuclear Instruments and Methods in Physics Research B 406(2017), 193-198
Glasses containing copper are promising photonic materials for lasing devices and all-optical components. It has already been shown that the oxidation state of the implants depends on many factors. This paper is going to report on one of them, i.e. t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6cdf72aac509a0a0bbd973431b95f4bb
https://www.hzdr.de/publications/Publ-25424-1
https://www.hzdr.de/publications/Publ-25424-1
Autor:
Anna Macková, Jiri Oswald, Andreas Kolitsch, B. Svecova, Pavla Nekvindova, H. Pupikova, Jakub Cajzl, Richard A. Wilhelm, P. Malinsky
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 331:182-186
This paper reports on the structural as well as compositional changes of LiNbO 3 , Al 2 O 3 and ZnO crystals, implanted with Er + ions at 190 keV a with fluence of 1.0 × 10 16 cm −2 into the crystallographic cuts. Post-implantation annealing at 10
Autor:
B. Svecova, Jakub Cajzl, Jiri Oswald, Jarmila Spirkova, Jiří Vacík, Anna Macková, Pavla Nekvindova, P. Malinsky
Publikováno v:
Optical Materials. 36:402-407
In this paper the doping of erbium from thin layers deposited on the LiNbO3 surface with an emphasis on the relations between changes in the LiNbO3 structure and the luminescence properties of Er:LiNbO3 have been studied. The erbium-containing layers
Autor:
Jarmila Spirkova, Jiří Vacík, Jiri Oswald, Pavla Nekvindova, Jakub Cajzl, Petr Malinský, B. Svecova, Anna Macková
Publikováno v:
Scripta Materialia. 68:739-742
This paper presents a new approach for LiNbO3 doping with erbium from melt by means of an electric field-assisted process. The doping was done at medium temperature (350 °C), using a two-component reaction melt containing 10 wt.% Er(NO3)3. The elect