2018/04/11 by Nataša Vaupotič, Muhammad Ali, Vaupotič, N. +7
Engineering · Materials Science · Physics and Astronomy · #Advanced Optical Imaging Technologies #FOS: Physical sciences #Liquid Crystal Research Advancements #Photonic Crystals and Applications #Soft Condensed Matter (cond-mat.soft)
paper · pdf · doi:10.48550/arxiv.1804.03917
openalex publication_date 2018/04/11 · openalex created_date 2018/04/24 · openalex updated_date 2026/07/28
Spontaneous formation of polarization gratings by liquid crystals made of bent dimeric molecules is reported. The grating is formed within the temperature range of the twist bend modulated nematic phase, NTB, without the necessity to pattern the cell surfaces, therefore the modulated nematic phase is a promising candidate for low-cost modulators and beam steering devices, the polarization properties of which can be tuned by temperature. In addition, the study of the diffracted light properties turns out to be a sensitive measuring technique for determination of the 3D spatial variation of the optic axis in the cell.