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Modelling of optical microresonators
Hubálek, Milan ; Čtyroký, Jiří
The contribution outlines modelling techniques for analysis of microresonator-based integrated optical components. A principle of modelling of the time domain characteristics with the help of the spectral characteristics including influence of nonlinear optic effects is carried out. Results applicable in the field all-optical devices are shown.
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K výběru odpovídajícího fenomenologického modelu pro vazkoplastické kapaliny
David, Jiří ; Filip, Petr
At present a series of phenomenological models are used for the description of flow curves of viscoplastic materials. Their application for the given materials hitherto subjects to the two following factors: number of entering parameters and agreement with the experimental data. However, for the case of viscoplastic fluids there is still one point playing a crucial role: determination whether a mutual ratio of ciscous and plastic effects generated by the proposed model corresponds to the physical characteristics of the material studied. This contribution aims to analyse partially this topic and to provide a hint for a choice of a corresponding model
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