Wiktor Piecek

Abstract: High birefringence (0.3 < Deltan < 0.4) and relatively low-viscosity liquid crystal mixtures containing isothiocyanato tolane and isothiocyanato terphenyl liquid crystals are developed. A twisted-nematic (TN) 1.6-mum thin cell for color-sequential liquid crystal display with ~1-ms response time is demonstrated.

TL;DR: Three-dimensional tomography in energy-momentum space enabled us to directly evidence the spin-split photon mode in the presence of an artificial spin-orbit coupling, which opens the door to photonic emulators of quantum Hamiltonians with internal degrees of freedom.

TL;DR: In this paper, phase transitions, smectic layer structure, helical pitch and electrooptical properties of recently prepared high tilted antiferroelectric compounds are characterized, and the compounds enable to prepare broad temperature range (−20 to 100 °C) orthoconic antiferromagnetic mixtures, having 45° tilt independent of temperature in broad temperature ranges, and exhibiting excellent contrast and grey level scale.

TL;DR: In this article, the effect of additive of structurally non-compatible antiferroelectric dopant on the phase structure, transition temperatures, and electrooptical properties of an orthoconic mixture W1000 3 was investigated with thermal, electro-optical, and XRD methods.

TL;DR: In this paper, high-birefringence nematic liquid crystals were examined for selected physical properties, including rotational viscosity, splay, twist and bend elastic constants, ordinary and extraordinary refractive indices for light wavelengths in the range from 0.3 μm to 1.6 μm.