Photoinduced alignment of nematic liquid crystal on polymer surface microrelief
Date
2000
Authors
Parfenov, A.
Tamaoki, N.
Onishi, S.
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Journal article
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Journal of Applied Physics, 2000; 87(4):2043-2045
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Abstract
<jats:p>A polymer film surface modified by laser illumination was used as a command surface for nematic liquid crystal (LC). Azobenzene-containing polyurethanes were taken for the material of the film. A relief grating inscribed by laser illumination onto the surface of these polymers induced a reorientation of the LC director from the initial homeotropic alignment. Possible applications of the described processes include command-surface creation for liquid-crystal displays, reversible and adaptable liquid-crystal structures for laser-beam targeting and aiming, etc.</jats:p>
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