optical information

Photocatalysis Effect-Based Optical Information Recording on the Titanium Dioxide Nanoparticles and Luminescent Dye-Doped Polymer Nanocomposite

Titanium dioxide is the most widely used semiconductor substance as a photocatalytic material in self-cleaning surfaces, air and water purification systems, sterilization, hydrogen evolution, and photoelectrochemical conversion. In this work, we propose a photocatalysis effect-based optical information recording on the titanium dioxide nanoparticles and luminescent dye-doped polymer nanocomposite for the first time. The optical information was recorded as holographic gratings.

Crystal Smectic G Phase Retarder for the Real-Time Spatial-Temporal Modulation of Optical Information

We have manufactured and investigated a novel phase retarder based on a rare and less studied liquid crystal phase, such as the Crystal Smectic G-phase prepared by mixing two certified nematic mixtures. The phase retarder is transparent in the visible and near-infrared parts of the optical spectrum. The temperature stability over a wide temperature range, high birefringence, and high strength, allow the production of various types of phase retarders that can be used in optics, optical chemical analysis,and polarimetry.