Abstract

Liquid crystal (LC) based devices such as displays, spatial light modulators (SLM) and different switchable phase masks constitute the main part of the graphic information display and light control. Mechanical rubbing and photo-alignment are the most widely used industrial technologies to create anisotropic surfaces for these devices. Recently, nonlinear laser lithography (NLL) was introduced as a fast, cost effective method for large area nano-grating fabrication based on laser-induced periodic surface structuring [1]. Here we report on alignment of nematic LC on NLL treated Ti film deposited on glass for the first time. We demonstrate controllable changes of azimuthal anchoring energy (AAE) depending on processing and additional coating parameters. To create the large area of structured Ti layers we used the experimental scheme of the NLL method, as described in [2].

© 2019 IEEE

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