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Spatially Resolved Characterization of the Electroclinic Effect in Chiral Smectic a Liquid Crystals

  • J. R. Lindle (a1), S. R. Flom (a1), F. J. Bartoli (a1), A. T. Harter (a1), R. E. Geer (a1), B. R. Ratna (a1) and R. Shashidhar (a1)...

Abstract

The electro-optical properties of an electroclinic liquid crystal have been investigated using a spatially resolved technique which measures the birefringence, optical tilt angle and extinction within adjacent stripe domains. A comparison of these results with the data obtained from standard optical and X-ray measurements suggests the presence of substripes or an angular distribution of molecular directors within the stripe domains.

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1. Williams, P. A., Clark, N. A., Ros, M. Blanca, Walba, D. M., and Wand, M. D., Ferroelectrics 121, 143 (1991).
2. Ratna, B. R., Crawford, G. P., Prasad, S. K., Naciri, J., Keller, P., and Shashidhar, R., Ferroelecirics 148, 425 (1993).
3. Crawford, G. P., Geer, R. E., Naciri, J., Shashidhar, R., and Ratna, B. R., Appl. Phys. Let. 65, 2937 (1994).
4. Bom, M. and Wolf, E., Principles of Optics, 5nd Ed. (Pergamon Press, New York, 1975) p. 695.
5. (Unpublished results).

Spatially Resolved Characterization of the Electroclinic Effect in Chiral Smectic a Liquid Crystals

  • J. R. Lindle (a1), S. R. Flom (a1), F. J. Bartoli (a1), A. T. Harter (a1), R. E. Geer (a1), B. R. Ratna (a1) and R. Shashidhar (a1)...

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