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Flat diffractive optics utilizing chiral liquid crystal (CLC) has gained a lot of interest as a potential in- and out-coupling technology for applications such as augmented reality and head-up display systems. The unique properties of CLC together with a photoalignment technique capable of inducing controlled variation of the optical axis within a thin liquid crystal layer make it possible to obtain a range of efficient optical components. These components typically operate in reflection mode and can possess a variety of optical functionalities. In this study, we investigate 2D diffraction gratings and holographic lenses that combine diffraction grating and lens functionalities.
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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