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Št. zadetkov: 3
Tunable optical diffractive structures from liquid crystalline materials
Dejan Bošnjaković, Irena Drevenšek Olenik
Doktorska disertacija
Oznake: nematic liquid crystals;ferromagnetic materials;photoresist polymeric materials;laser-based micro structuring;optical diffractive structures;transmission gratings;surface anchoring energy;
This thesis is linked to parallel experimental research conducted by researchers in the Physics of complex matter group. It is focused on the theoretical modelling of electric and magnetic tuning of optical diffractive properties of grating structures fabricated as periodic configurations of a liqui ...
Leto: 2023 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Electrically tuneable optical diffraction gratings based on a polymer scaffold filled with a nematic liquid crystal
Dejan Bošnjaković, Mathias Fleisch, Xinzheng Zhang, Irena Drevenšek Olenik
Izvirni znanstveni članek
Oznake: polimeri;nematski tekoči kristali;lasersko mikrostrukturiranje;optika;uklonske mrežice;polymers;nematic liquid crystals;laser micro structuring;optics;diffraction gratings;
We present an experimental and theoretical investigation of the optical diffractive properties of electrically tuneable optical transmission gratings assembled as stacks of periodic slices from a conventional nematic liquid crystal (E7) and a standard photoresist polymer (SU-8). The external electri ...
Leto: 2021 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Mechanical manipulation of diffractive properties of optical holographic gratings from liquid crystalline elastomers
Dejan Bošnjaković, Marko Gregorc, Hui Li, Martin Čopič, Valentina Domenici, Irena Drevenšek Olenik
Izvirni znanstveni članek
Oznake: optika;uklon;holografske mrežice;tekočekristalni elastomeri;optics;diffraction;holographic gratings;liquid crystalline elastomers;
An appealing property of optical diffractive structures from elastomeric materials is a possibility to regulate their optical patterns and consequently also their diffractive features with mechanical straining. We investigated the effect of strain on diffraction characteristics of holographic gratin ...
Leto: 2018 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Št. zadetkov: 3
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