Effect of Molecular Structure on the Electrooptic Performance of Electroclinic Liquid Crystals

G. P. Crawford Naval Research Laboratory, Code 6900 Center for Bio/molecular Science and Engineering Washington, D. C., 20375, U. S. A.

J. Naciri Naval Research Laboratory, Code 6900 Center for Bio/molecular Science and Engineering Washington, D. C., 20375, U. S. A.

R. Shashidhar Naval Research Laboratory, Code 6900 Center for Bio/molecular Science and Engineering Washington, D. C., 20375, U. S. A.

P. Keller Naval Research Laboratory, Code 6900 Center for Bio/molecular Science and Engineering Washington, D. C., 20375, U. S. A.; Laboratoire Leon Brillouin, CEN, Saclay 91191, Gif/yuette, Cedex, France

B. R. Ratna Naval Research Laboratory, Code 6900 Center for Bio/molecular Science and Engineering Washington, D. C., 20375, U. S. A.

Abstract

The correlation between molecular structure and electrooptic performance is studied for novel room temperature chiral smectic A liquid crystals. It is observed that slight modifications of the hydrocarbon chain connected to the chiral center result in dramatic differences in their electrooptic performance. If the hydrocarbon chain is shortened or if a double bond is localized at the end of the hydrocarbon chain, the tilt angle, electroclinic coefficient, and switching time are significantly suppressed.

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Effect of Molecular Structure on the Electrooptic Performance of Electroclinic Liquid Crystals

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Effect of Molecular Structure on the Electrooptic Performance of Electroclinic Liquid Crystals

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