Zobrazeno 1 - 10
of 52
pro vyhledávání: '"Bretislav Mikel"'
Publikováno v:
Sensors, Vol 22, Iss 19, p 7312 (2022)
In nuclear power plants, particle accelerators, and other nuclear facilities, measuring the level of ionising gamma radiation is critical for the safety and management of the operation and the environment’s protection. However, in many cases, it is
Externí odkaz:
https://doaj.org/article/932a009314b34cf8ac3e9ae5f3820304
Publikováno v:
Optical Sensors and Sensing Congress.
We present results of ionizing radiation measurement using optical fibers and LYSO scintillator. The LYSO was used to detect the radiation and the silica fibers were used to deliver scintillation radiation to single photon counter.
Autor:
Miroslava Holá, Radim Skoupy, Michal Jelinek, Ondrej Cip, Jan Hrabina, Bretislav Mikel, Josef Lazar
Publikováno v:
Imaging and Applied Optics Congress.
We present a novel design of hollow-core photonic ciystal fiber based spectroscopic references purposed for laser frequency stabilization and spectroscopic analysis with low optical losses and mini-invasive approach of gas media filling.
Publikováno v:
Seventh European Workshop on Optical Fibre Sensors.
We present our first results of ionizing radiation measurement using optical fibers and LYSO scintillator. The LYSO scintillator was used to detect the radiation and the silica optical fibers with 1 mm fiber core was used to deliver scintillation rad
Publikováno v:
Fifth Conference on Sensors, MEMS, and Electro-Optic Systems.
Autor:
Michal Jelínek, Bretislav Mikel
Publikováno v:
Fifth Conference on Sensors, MEMS, and Electro-Optic Systems.
Autor:
Zdenek Matej, Petr Jedlička, Ondrej Herman, Miroslava Holá, Michal Jelínek, Bretislav Mikel, Ondrej Cip, Josef Lazar, Simon Rerucha
We report on a traceable calibration system for a 3500mm-long console that carries a measurement system for inspecting the diameter of a circular reactor chassis. The system uses two single-pass laser interferometers with homodyne fringe detection fo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eaabd7ad106aa8de0adbc978dcd74744
Autor:
Jan Hrabina, Martin Cizek, Josef Vojtech, Vladimir Smotlacha, Michal Jelínek, Ondrej Cip, Ondrej Havlis, Vaclav Hucl, Lenka Pravdova, Josef Lazar, Bretislav Mikel
Publikováno v:
21st Czech-Polish-Slovak Optical Conference on Wave and Quantum Aspects of Contemporary Optics.
Optical fiber links in Europe are with growing importance utilized in comparison campaigns of experimental optical clocks to verify their ultimate relative stability. We present a 306 km long optical fiber link established in the Czech Republic betwe
Autor:
Josef Vojtech, Michal Jelínek, Vladimir Smotlacha, Jan Hrabina, Josef Lazar, Bretislav Mikel, Simon Rerucha, Vaclav Hucl, Ondrej Havlis, Lenka Pravdova, Martin Cizek, Ondrej Cip
Publikováno v:
2018 European Frequency and Time Forum (EFTF).
The contribution reports on the current state of the fibre link for phase-coherent transfer of optical frequency between ISI CAS (Brno, CZ) and CESNET (Prague, CZ). The 306 km long link is operated on an internet communication fibre in a dedicated 15
Autor:
Miroslava Holá, Jan Hrabina, Josef Lazar, Simon Rerucha, Michal Jelínek, Bretislav Mikel, Martin Cizek, Vaclav Hucl
Publikováno v:
Optical Measurement Systems for Industrial Inspection X.
We present method for the improvement of the measurement accuracy in the optical frequency spectra measurements based on tunable optical filters. The optical filter was used during the design and realization of the measurement system for the inspecti