Andrej Petelin
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View article: Focused beam propagation in cholesteric liquid crystals
Focused beam propagation in cholesteric liquid crystals Open
In this paper, we develop a numerical technique that allows us to study the propagation of tightly focused scalar or vector beams through a stratified birefringent material. The technique is based on the Berreman 4 × 4 transfer matrix meth…
View article: Patterning of 2D second harmonic generation active arrays in ferroelectric nematic fluids
Patterning of 2D second harmonic generation active arrays in ferroelectric nematic fluids Open
Ferroelectric nematic liquid crystals exhibit unique non-linear optical properties, with the potential to become transformative materials for photonic applications. A promising direction relies on the fabrication of tailored polar orientat…
View article: Patterning of 2D second harmonic generation active arrays in ferroelectric nematic fluids
Patterning of 2D second harmonic generation active arrays in ferroelectric nematic fluids Open
Ferroelectric nematic liquid crystals exhibit unique non-linear optical properties, with the potential to become transformative materials for photonic applications. A promising direction relies on the fabrication of tailored polar orientat…
View article: Distinctive features of pretransitional behaviour between nematic phases as revealed by DDM
Distinctive features of pretransitional behaviour between nematic phases as revealed by DDM Open
Pretransitional behaviour, with strong softening of the bend or splay elastic constants, is characteristic of two of the nematic to nematic phase transitions reported in the last decade. Such softening is strongly reflected in the pretrans…
View article: Skyrmions in blue phases of chiral liquid crystals
Skyrmions in blue phases of chiral liquid crystals Open
Using high-resolution microscope observations, we show that both the static cubic (BPI) and the dynamic amorphous (BPIII) blue phases consist of fractional skyrmion filaments that transform into the same quasi two-dimensional structure of …
View article: Polarization microscope simulations using an efficient transfer matrix-based beam propagation method
Polarization microscope simulations using an efficient transfer matrix-based beam propagation method Open
A technique for white light polarizing microscope simulations is presented. It uses wide-angle diffraction and accurately simulates the transfer properties of the imaging system, including the objective's finite numerical aperture, coheren…
View article: Polarization microscope simulations using an efficient transfer matrix-based beam propagation method
Polarization microscope simulations using an efficient transfer matrix-based beam propagation method Open
A technique for white light polarizing microscope simulations is presented. It uses wide-angle diffraction and accurately simulates the transfer properties of the imaging system, including the objective's finite numerical aperture, coheren…
View article: Polarization patterning in ferroelectric nematic liquids
Polarization patterning in ferroelectric nematic liquids Open
The recently discovered ferroelectric nematic liquids incorporate to the functional combination of fluidity, processability and anisotropic optical properties of nematic liquids, an astonishing range of physical properties derived from the…
View article: Blue Phase III: Topological Fluid of Skyrmions
Blue Phase III: Topological Fluid of Skyrmions Open
Skyrmions are topologically protected, vortexlike formations of a field that cannot be removed by any smooth transformation and emerge in a range of fundamentally different, either quantum or classical systems, from spin textures to chiral…
View article: Electrooptics of mm-scale polar domains in the ferroelectric nematic phase
Electrooptics of mm-scale polar domains in the ferroelectric nematic phase Open
The recent discovery of the ferroelectric splay nematic phase has opened the\ndoor to experimental investigation of one of the most searched liquid crystal\nphases in decades, with high expectations for future applications. However, at\nth…
View article: Electrooptics of mm-scale polar domains in the ferroelectric splay nematic phase
Electrooptics of mm-scale polar domains in the ferroelectric splay nematic phase Open
The recent discovery of the ferroelectric splay nematic phase has opened the door to experimental investigation of one of the most searched liquid crystal phases in decades, with high expectations for future applications. However, at this …
View article: Electrooptics of mm-scale polar domains in the ferroelectric nematic phase
Electrooptics of mm-scale polar domains in the ferroelectric nematic phase Open
The recent discovery of the ferroelectric nematic phase has opened the door to experimental investigation of one of the most searched liquid crystal phases in decades, with high expectations for future applications. However, at this moment…