Abstract
Recent studies of electro-optical properties of Ultraviolet (UV) and Electron Beam (EB) cured Polymer Dispersed Liquid Crystals (PDLCs) show substantial advantages of EB systems. Threshold and saturation voltages are lower while the contrast ratio is higher for EB systems compared to UV counterparts. The present paper confirms this observation on new data of electro-optical response functions of systems made of Tripropyleneglycoldiacrylate (TPGDA) and E7. Effects of film thickness and conditions of preparation on electro-optical (EO) response functions are investigated. Both UV- and EB-curing techniques lead to transmission versus voltage curves that are highly reproducible.
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