A new method is proposed to assess the switching characteristics of chiral Smectic C mixtures. In this method the minimum in the τ-V curve (Vmin) is measured as a function of the stabilizing AC field and is fitted to an approximate analytical function derived from the uniform switching model of Towler et al. This procedure provides a value for Vmin at infinite AC field stabilization, which gives a cell-independent quantity, allowing improved comparison between materials.
On the measurement of switching parameters of ferroelectric liquid crystal devices: A new method for material assessment
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