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Št. zadetkov: 4
Samopodobni fotonski kristali
Peter Ropač, Miha Ravnik
Magistrsko delo
Oznake: fotonski kristali;samopodobnost;fotonika;tekoči kristali;svetloba;optični materiali;
Samopodobni fotonski kristali so fotonski kristali, katerih deli osnovne celice so podobni celotni osnovni celici. Fotonski kristali so materiali, ki imajo periodični lomni količnik in posledično imajo v pasovni strukturi energijske reže, pri čemer je širina in lega rež odvisna od mikroskopske struk ...
Leto: 2021 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Design of complex material structures for light control
Peter Ropač, Miha Ravnik
Doktorska disertacija
Oznake: photonics;inverse design;machine learning;liquid crystals;waveguides;holograms;diffraction gratings;photonic crystals;
This thesis explores the design and optimization of complex material structures for controlling light, with a particular focus on soft-matter systems such as liquid crystals. The research utilizes parametric and inverse design approaches to create various optical devices. The work is divided into fo ...
Leto: 2025 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Liquid crystal 3D optical waveguides based on photoalignment
Peter Ropač, Yu-Tung Hsiao, Brecht Berteloot, Yera Ussembayev, Inge Nys, Miha Ravnik, Kristiaan Neyts
Izvirni znanstveni članek
Oznake: fizika mehke snovi;tekoči kristali;fotonika;fotostrukturiranje;optični valovodi;soft matter physics;liquid crystals;photonics;photopatterning;optical waveguides;
A novel design and approach for the realization of liquid crystal optical waveguides using photopatterning as a manufacturing method is presented. The developed method is used to demonstrate straight waveguides of different widths and curved waveguides with different radius of curvature. The wavegui ...
Leto: 2025 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Off-axis reflective phase-only holograms with chiral liquid crystal
Miglė Stebrytė, Eleonora Raffin, Luka Vlieghe, Peter Ropač, Miha Ravnik, Inge Nys, Kristiaan Neyts, Jeroen Beeckman
Izvirni znanstveni članek
Oznake: tekoči kristali;holografija;liquid crystals;holography;
The growing demand for holography and its wide-ranging applications necessitate advancements to make this technology more accessible and adaptable to modern technological requirements. Nematic liquid crystals (NLCs) enable holographic projection by exploiting the geometric phase of light through car ...
Leto: 2026 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Št. zadetkov: 4
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