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  • Title: Ultrafast switching of randomly-aligned nematic liquid crystals.
    Author: Song DH, Kim JW, Kim KH, Rho SJ, Lee H, Kim H, Yoon TH.
    Journal: Opt Express; 2012 May 21; 20(11):11659-64. PubMed ID: 22714152.
    Abstract:
    We propose an ultrafast nematic liquid crystal (LC) device without alignment layers, where both the dark and bright states can be realized by applying an electric field. A vertical electric field is applied to vertically align the LCs for the dark state, whereas an in-plane electric field is applied to homogeneously align the LCs for the bright state. We achieved a total response time of less than 3 ms in the proposed device. This device may contribute, not only to a significant improvement of the switching speed in liquid crystal devices, but also to the simplification of the device fabrication by the omission of the alignment layer coating and the rubbing process.
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