National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Spectral characteristics in fiber optics
Chleboun, Jiří ; Tejkal, Vladimír (referee) ; Šporik, Jan (advisor)
This bachelor’s thesis is focused on the influence of attenuation and dispersion glass and plastic optical fibers in optical transmission system. Theory of optical transmission is discussed in the theoretical part, it is defined term like spectral attenution characteristic and its division into transmission bands. Sources and detectors are itemized further, which are used for optical transmissions in fiber optics. The thesis describes the most occured effects, which influenced transmission parameters of optical fiber, like optical attenution, dispersion and aspectual polarization dispersion. Theory of plastic optical fibers is processed at the end of theoretical part of thesis. It is also processed advantages, disadvantages and useage of plastic optical fibers and they are consequently compare with glass fibers. Comparison is focused mainly on attenuation, transmission properties and useage on these types of fibers in telecommunication. Representation of spectral attenution characteristics in programme MATLAB is practical output of the bachelor´s thesis. Created programme approximates points which are got from measure optical attenuation by the Lagrange interpolation polynomial.
Degradation test of polymer material
Chleboun, Jiří ; Gvritishvili, Roman (referee) ; Vaněk, Jiří (advisor)
Basic knowledge of photovoltaic energy transformation, devices and materials, used in photovoltaics are summarized in this master’s thesis. Sort of degradation factors and its consequences of the photovoltaic panels are described there. Detail reviews of degradation tests are processed at the end of theoretical part. The main purpose of this research is selected covering materials dielectric properties change monitoring. These covering materials were influenced of accelerated thermal aging and increased humidity.

See also: similar author names
5 Chleboun, J.
5 Chleboun, Jakub
20 Chleboun, Jan
3 Chleboun, Jiří
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