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Abstract
Antiferroelectric Liquid Crystals (AFLC) have been extensively studied due to their physical properties offering unique electrooptical properties. Here an electrooptical effect which does not need polarizers – so called Transient Scattering Mode (TSM), observed previously for FLCs, and AFLC's was studied with using of the antiferroelectric liquid crystal with the saturated tilt angle θ = 45° (Orthoconic Antiferroelectric Liquid Crystal - OAFLC). The working mixture with a short helical pitch λ at room temperature was used to induce a Bragg scattering. The electrooptical performance of two operation regimes of an unordered surface stabilised structure is presented and discussed.
Acknowledgments
The project was done under financial support of Poland–Singapore Collaborative Project funded by Polish Ministry of Science and Higher Education (No. 13/2006) and Singapore Agency for Science, Technology and Research ASTAR (No. 062 120 0016).
We express our gratitude to Prof. Roman Dąbrowski (MUT, Warsaw, Poland) for providing of OAFLC mixture and to Dr. E. Nowinowski-Kruszelnicki (MUT, Warsaw, Poland) for supplying us with measuring cell. We appreciate Prof. J. Kędzierski (MUT, Warsaw, Poland) for fruitful discussion.