Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Vítězslav Jeřábek"'
Autor:
Vaclav Prajzler, J. Šmejcký, David Mareš, Vítězslav Jeřábek, Ondřej Barkman, Pavla Nekvindova
Publikováno v:
Optical and Quantum Electronics. 53
We reported on the active channel waveguides, formed in novel types of silicate glasses, doped with rare-earth elements, and Zn were investigated. The silicate glass GZ4 with Er3+ and Yb3+ content was studied, and the best doping ratio was estimated
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4a1a426ced3eeb891963af0dfedbd2f7
https://doi.org/10.1007/s11082-021-03035-2
https://doi.org/10.1007/s11082-021-03035-2
Autor:
Jiří Šmejcký, David Mareš, Ondřej Barkman, Pavla Nekvindová, Václav Prajzler, Vítězslav Jeřábek
We reported on the active channel waveguides, formed in novel types of silicate glasses, doped with rare-earth elements, and Zn were investigated. The silicate glass GZ4 with Er 3+ and Yb 3+ content was studied, and the best doping ratio was estimate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::67bf079c62d8f9159a72c2a9ad786528
https://doi.org/10.21203/rs.3.rs-290933/v1
https://doi.org/10.21203/rs.3.rs-290933/v1
Publikováno v:
Photonics, Devices, and Systems VII.
This paper summarizes the results of the gain transmission characteristics measurement carried out on the new ion exchange Ag + - Na + optical Er 3+ and Yb 3+ doped active planar waveguides realized on a silica based glass substrates. The results wer
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::06f5d3f54f5ce58b33eeb1b9fbfe7ccf
https://doi.org/10.1117/12.2294030
https://doi.org/10.1117/12.2294030
Publikováno v:
Photonics, Devices, and Systems VII.
This paper reports on the design of the surface enhanced Raman spectroscopy (SERS) structures that were optimized through computation and simulation to obtain the best enhancement of the surface plasmon-polariton (SPP) response on these structures. T
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::327931172f026de7bfe32468c87d85be
https://doi.org/10.1117/12.2291467
https://doi.org/10.1117/12.2291467
Publikováno v:
Journal of Optics. 43:310-316
Design, fabrication and properties of compact large core multimode optical polymer splitter is presented. Norland optical adhesive glue was used as waveguide core layers, poly(methyl methacrylate) was used for substrate and the fabricated planar spli
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2e015142267135eac4aa8ad0d9bf15bf
https://doi.org/10.1007/s12596-014-0210-0
https://doi.org/10.1007/s12596-014-0210-0
Autor:
Vítězslav Jeřábek, David Mareš
Publikováno v:
Optical and Quantum Electronics. 48
Planar waveguide gratings are very useful components for planar optical structures in which they function as wavelength optical filters, demultiplexers or sensors. The Bragg gratings formed on planar optical waveguides in multimode propagation regime
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ae043ad110efe5da1c2c8e0a834cd6c9
https://doi.org/10.1007/s11082-016-0438-9
https://doi.org/10.1007/s11082-016-0438-9
Publikováno v:
physica status solidi c. 8:2938-2941
We report about design and construction of WDM bidirectional transceiver module (TRx) for the passive optical network (PON) of a fiber to the home FTTH topology. The TRx uses a microoptics hybrid integration technology with volume holographic Bragg g
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dc8353c77c9521b5811c16e700bc2586
https://doi.org/10.1002/pssc.201084068
https://doi.org/10.1002/pssc.201084068
Autor:
Oleksiy Lyutakov, Ivan Hüttel, Vaclav Prajzler, Vladimír Hnatowicz, Vítězslav Jeřábek, Václav Švorčík, Alexander Jančárek
Publikováno v:
Journal of Polymer Science Part B: Polymer Physics. 47:1131-1135
Micro-sized patterns were created on thin poly(methyl methacrylate) (PMMA) films by the effect of external field, perpendicular to the film surface. The PMMA film, prepared by spin-coating onto Si wafer, was heated to the fluid temperature (275 °C)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a3ec6dbb458a5463ab3f6756b355285c
https://doi.org/10.1002/polb.21718
https://doi.org/10.1002/polb.21718
Autor:
J. Zavadil, V. Machovic, Jiri Oswald, J. Špirková, Ivan Hüttel, O. Lyutakov, D. Chvostová, Vítězslav Jeřábek, V. Prajzler
Publikováno v:
Acta Polytechnica, Vol 48, Iss 5 (2008)
In this paper we report on the fabrication and properties of Er3 and Er3/Yb3 doped Polymethylmethacrylate (PMMA) layers. The reported layers were fabricated by spin coating on silicon or on quartz substrates. Infrared spectroscopy was used for an inv
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4166f14ccc75af25e65da81c62d771ff
https://doi.org/10.14311/1047
https://doi.org/10.14311/1047
Autor:
Jiri Oswald, J. Špirková, Vítězslav Jeřábek, J. Gurovič, Vaclav Prajzler, Z. Burian, Ivan Hüttel, Vratislav Peřina, J. Zavadil
Publikováno v:
Acta Polytechnica, Vol 48, Iss 1 (2008)
We report about properties of carbon layers doped with Er3+ ions fabricated by Plasma Assisted Chemical Vapor Deposition (PACVD) and by sputtering on silicon or glass substrates. The structure of the samples was characterized by X-ray diffraction and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9472bf37250c0e7ffa0826acabfa228a
https://ojs.cvut.cz/ojs/index.php/ap/article/view/943
https://ojs.cvut.cz/ojs/index.php/ap/article/view/943