Zobrazeno 1 - 10
of 62
pro vyhledávání: '"Jakub Cajzl"'
Autor:
Michal Kamradek, Ivan Kasik, Jan Aubrecht, Jan Mrazek, Ondrej Podrazky, Jakub Cajzl, Petr Varak, Vaclav Kubecek, Pavel Peterka, Pavel Honzatko
Publikováno v:
IEEE Photonics Journal, Vol 11, Iss 5, Pp 1-10 (2019)
Efficient holmium fiber lasers have been studied as attractive laser sources operating around 2.1 μm. We report on holmium-doped silica fibers prepared by the modified chemical vapor deposition in combination with either a solution-doping method or
Externí odkaz:
https://doaj.org/article/baf94150beb540d9855f8e5f58fa78fa
Autor:
Jakub Cajzl, Karla Jeníčková, Pavla Nekvindová, Alena Michalcová, Martin Veselý, Anna Macková, Petr Malinský, Adéla Jágerová, Romana Mikšová, Shavkat Akhmadaliev
Publikováno v:
Nanomaterials, Vol 10, Iss 12, p 2392 (2020)
Three different crystallographic orientations of the wurtzite ZnO structure (labeled as c-plane, a-plane and m-plane) were implanted with Au+ ions using various energies and fluences to form gold nanoparticles (GNPs). The ion implantation process was
Externí odkaz:
https://doaj.org/article/459d76ffd6de4c34881ea228a5ead5b1
Autor:
Filip Todorov, Jan Aubrecht, Pavel Peterka, Ondřej Schreiber, Ali A. Jasim, Jan Mrázek, Ondřej Podrazký, Michal Kamrádek, Nithyanandan Kanagaraj, Martin Grábner, Yauhen Baravets, Jakub Cajzl, Pavel Koška, Adam Fišar, Ivan Kašík, Pavel Honzátko
Publikováno v:
Materials, Vol 13, Iss 22, p 5177 (2020)
Laser sources emitting in the infrared range at around 2 µm are attracting great interest for a variety of applications like processing of transparent thermoplastic polymers in industry as well as plenty of applications in medicine, spectroscopy, ga
Externí odkaz:
https://doaj.org/article/0d71101b15774accae7c17224e2cbb50
Autor:
Jan Mrazek, Ivan Kasik, Lenka Prochazkova, Vaclav Cuba, Jan Aubrecht, Jakub Cajzl, Ondrej Podrazky, Pavel Peterka, Martin Nikl
Publikováno v:
Advances in Electrical and Electronic Engineering, Vol 12, Iss 6, Pp 567-574 (2014)
Erbium-doped active optical fiber was successfully prepared by incorporation of ceramic nanocrystals inside a core of optical fiber. Modified chemical vapor deposition was combined with solution-doping approach to preparing preform. Instead of inorga
Externí odkaz:
https://doaj.org/article/3ca8531d171a4995aa563d929603e509
Autor:
Jakub Cajzl, Pavel Peterka, Maciej Kowalczyk, Jan Tarka, Grzegorz Sobon, Jaroslaw Sotor, Jan Aubrecht, Pavel Honzátko, Ivan Kašík
Publikováno v:
Fibers, Vol 6, Iss 3, p 66 (2018)
In this work we report on the thulium-doped silica-based optical fibers with increased fluorescence lifetime of the 3F4 level thanks to the modification of the local environment of thulium ions by high content of alumina. The determination of the cro
Externí odkaz:
https://doaj.org/article/00b20bb7dac940cd9ddddcadf0c31a4c
Autor:
Jakub Cajzl, Pavla Nekvindová, Anna Macková, Petr Malinský, Jiří Oswald, Zdeněk Remeš, Marián Varga, Alexander Kromka, Banu Akhetova, Roman Böttger, Václav Prajzler
Publikováno v:
Micromachines, Vol 9, Iss 7, p 316 (2018)
We present a fundamental study of the erbium luminescence centres in single- and nano-crystalline (NCD) diamonds. Both diamond forms were doped with Er using ion implantation with the energy of 190 keV at fluences up to 5 × 1015 ions·cm−2, follow
Externí odkaz:
https://doaj.org/article/3942f27bd1b1419f8a18238e107dc5c2
Autor:
Jan Mrázek, Ivan Kašík, Lenka Procházková, Václav Čuba, Vladimír Girman, Viktor Puchý, Wilfried Blanc, Pavel Peterka, Jan Aubrecht, Jakub Cajzl, Ondřej Podrazký
Publikováno v:
Applied Sciences, Vol 8, Iss 5, p 833 (2018)
Nanoparticle doping is an alternative approach the conventional solution doping method allowing the preparation of active optical fibers with improved optical and structural properties. The combination of the nanoparticle doping with MCVD process has
Externí odkaz:
https://doaj.org/article/45fd2e4702064cd592ed898b9a0b422a
Autor:
Vítezslav Jeřábek, David Mareš, Jiří Šmejcký, Jan Voves, Jakub Cajzl, Pavla Nekvindová, San-Liang Lee
Publikováno v:
Integrated Optics: Design, Devices, Systems and Applications VII.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::295c4e4c8cdbb8f48a8a9304b354e98f
https://doi.org/10.1117/12.2664952
https://doi.org/10.1117/12.2664952
Publikováno v:
Physical Chemistry Chemical Physics. 24:19052-19072
The presented overview deals with an experimental and theoretical study of erbium ions incorporated in crystal materials of LiNbO3, Al2O3, ZnO and diamond for use in photonics and optoelectronics.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::de7d125e1a533294f61044f1ec8759cf
https://doi.org/10.1039/d2cp01803a
https://doi.org/10.1039/d2cp01803a
Autor:
Romana Mikšová, Petr Malinský, Mariapompea Cutroneo, Václav Holý, Zdeněk Sofer, Jakub Cajzl, Aurélien Debelle, Lech Nowicki, Anna Macková
Publikováno v:
Physical Chemistry Chemical Physics. 24:6290-6301
The structural differences in (100)-, (110)- and (111)-oriented cubic yttria-stabilised zirconia (YSZ) single crystals after implantation with 2 MeV Si+ ions at the fluences of 5 × 1015, 1 × 1016 and 5 × 1016 cm−2 were studied using Rutherford b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::216bec651a2a12a05c83ac6b4d8c8954
https://doi.org/10.1039/d1cp04901a
https://doi.org/10.1039/d1cp04901a