Field induced Increase of Pitch in Plana
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Prof. Dr. G. Chilaya; Dr. G. Hauck; Prof. Dr. H. D. Koswig; Dr. G. Petriashvili;
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Article
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1997
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John Wiley and Sons
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English
โ 267 KB
In cholesteric liquid crystals the application of an electric field parallel to the helii axis can change the wavelength of selective reflection. For decreasing pitch of the studied mixtures, the colour shift becomes more stable against the field-induced transformation of the initial Grandjean struc