Holographic diffraction gratings using polymer-dispersed ferroelectric liquid crystals |
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| Authors: | Woltman Scott J Eakin James N Crawford Gregory P Zumer Slobodan |
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| Institution: | Department of Physics, Division of Engineering, Brown University, Providence, Rhode Island 02912, USA. |
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| Abstract: | By controlling the morphology of holographic polymer-dispersed ferroelectric liquid crystals (FLCs), highly aligned FLC domains are obtained for diffractive optical applications. Rapid, thresholdless switching is observed for various grating pitch sizes between approximately 3 and approximately 12 microm. A simple phenomenological model is presented encompassing a distribution of domain sizes and an effective field that stabilizes the FLC domains to reflect the observed thresholdless switching and optical behavior. |
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