Abstract
The ferroelectric liquid-crystal (FLC) phase is a relatively new development in liquid crystals. The basic symmetry restrictions demanded by ferroelectricity are met by the chiral smectic-C liquid-crystal phase. The chirality or lack of mirror symmetry at molecular level gives rise to a spiral polarity or helioelectric structure. The helix can be unwound by an applied electric field to create a uniform FLC. However, this is not the most favorable device arrangement.
© 1987 Optical Society of America
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