Electrooptic effects using a light scattering have been studied in a ferroelectric liquid crystalline polymer (FLCP) and a bistable switching has been demonstrated. The electrooptic effects including a deformation of helicoidal structure (DHS) upon applying voltage and a transient scattering mode (TSM) at the instant of polarity reversal of applied voltage have been observed in FLCP. FLCP transiently constructs the helical structure at the polarity reversal, and this helical structure maintains even after the removal of voltage. Using this principle, a new type of bistable switching between transparent and opaque states has been realized by means of the pulse voltage application.
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