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JOURNAL OF PHYSICS D-APPLIED PHYSICS
Volume 42, Issue 19, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0022-3727/42/19/195102
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We developed an electro-optical device based on the flexoelectric effect of a polymer-stabilized cholesteric liquid crystal with a uniform lying helix. Using a dual-frequency switchable nematic, a small amount of chiral dopant and a small amount of phase-separated polymer localized at the substrate surfaces, we were able to create a device that operates in both the amplitude (flexoelectric) and phase (dielectric) modes. Using a high-frequency voltage we were able to suppress the phase mode and preserve the amplitude mode.
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