New geometry for a study of weak anchoring in liquid crystals

S. V. Pasechnik; D. V. Shmeliova; V. A. Tsvetkov; A. V. Dubtsov; B. A. Shustrov

doi:10.1117/12.742661

22 May 2007 New geometry for a study of weak anchoring in liquid crystals

S. V. Pasechnik, D. V. Shmeliova, V. A. Tsvetkov, A. V. Dubtsov, B. A. Shustrov

Proceedings Volume 6637, XV International Symposium on Advanced Display Technologies; 66370A (2007) https://doi.org/10.1117/12.742661
Event: XV International Symposium on Advanced Display Technologies, 2006, Moscow, Russian Federation

Abstract

The new construction of LC cell useful for a study both simple twist deformation and 3D structures in liquid crystals induced by boundaries and electric fields is proposed. One of the main advantages ofthe cell is a very high sensitivity of optical response to the small variations of the twist angle. It is possible to create homogeneous "in plane" electric field under special choice ofdimensions of a rectangular channel filled with the liquid crystal. The new LC cell provides good perspectives for measurements of practically important viscous and elastic properties of liquid crystals including a rotational viscosity coefficient. The cell can be also used for a study of static and dynamic properties of liquid crystals at weak anchoring.

Citation Download Citation

S. V. Pasechnik, D. V. Shmeliova, V. A. Tsvetkov, A. V. Dubtsov, and B. A. Shustrov "New geometry for a study of weak anchoring in liquid crystals", Proc. SPIE 6637, XV International Symposium on Advanced Display Technologies, 66370A (22 May 2007); https://doi.org/10.1117/12.742661

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