Zobrazeno 1 - 10
of 87
pro vyhledávání: '"Jan Aubrecht"'
Autor:
Petr Vařák, Michal Kamrádek, Jan Mrázek, Ondřej Podrazký, Jan Aubrecht, Pavel Peterka, Pavla Nekvindová, Ivan Kašík
Publikováno v:
Optical Materials: X, Vol 15, Iss , Pp 100177- (2022)
Silica glass doped with rare-earth ions remains one of the most frequently used materials for fiber lasers and amplifiers, owing to various advantages such as high thermal resistance, mechanical and chemical durability, high transparency up to 2.2 μ
Externí odkaz:
https://doaj.org/article/f6d1434d2cbb44959e1695f0c906590f
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
Publikováno v:
Sensors, Vol 21, Iss 6, p 1928 (2021)
A monolithic fiber laser operating in the short wavelength infrared that is suitable for CO2 gas sensing applications is proposed and presented. The current study reports a laser design based on the direct inscription of a monolithic Fabry–Perot (F
Externí odkaz:
https://doaj.org/article/9c8cae59543043cea822ef8fe4c6c648
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:
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:
Ondrej Schreiber, Bara Jirickova, Jan Aubrecht, Martin Grábner, César Jáuregui-Misas, Pavel Honzátko, Pavel Peterka
Publikováno v:
Fiber Lasers XX: Technology and Systems.
Publikováno v:
Micro-Structured and Specialty Optical Fibres VII.
Autor:
Petr Varak, Ivan Kašík, Pavel Peterka, Jan Aubrecht, Jan Mrazek, Michal Kamradek, Ondrej Podrazky, Ivo Barton, Ryszard Buczyński, Marcin Franczyk, Pavel Honzátko
Publikováno v:
Micro-Structured and Specialty Optical Fibres VII.