11 December 2001 Optical recording of holograms in azo-polymer-stabilized nematic liquid crystals
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A random oriented azo-polymer stabilized nematic liquid crystal is synthesized and used to record anisotropic holograms. An azo-dye is chemically attached to a diacrylate monomer at a base of the polymer network that can be optically reoriented with a polarized laser beam with (lambda) equals 514.5 nm. Raman-Nath scalar and vectorial gratings are recorded in 5-micrometers thick electro-optic cell without alignment layer. The electro-optical switch of the diffraction is realized using a moderate dc electric field of 6 V/micrometers .
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Dany Dumont, Dany Dumont, Tigran V. Galstian, Tigran V. Galstian, Yue Zhao, Yue Zhao, "Optical recording of holograms in azo-polymer-stabilized nematic liquid crystals", Proc. SPIE 4463, Liquid Crystals V, (11 December 2001); doi: 10.1117/12.449951; https://doi.org/10.1117/12.449951

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