A ferroelectric liquid crystal grating is investigated. Diffraction behavior is analyzed on the basis of a model where the birefringent grating generated in the ferroelectric liquid crystal layer acts as an absorption/phase hybrid grating. Light diffraction is observed by using an optically addressed spatial light modulator that contains a photoconductive film and a ferroelectric liquid crystal. We find some disagreement between the simulation and experimental results. The errors are found to be caused by the incomplete bistability of the ferroelectric liquid crystal.
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Fukushima et al. (1994) studied this question.
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