A method for measuring the in situ poling and relaxation of an electro-optic polymer lightguide is presented. The poling/relaxation of a single film is compared with the behavior of the same film in the vicinity of a ferroelectric composite sublayer. The stability of the dye orientation obtained by poling is controlled by the ferroelectric substrate. Thus the stability of dye orientation in an electro-optic polymer may be enhanced.
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Knabke et al. (1991) studied this question.
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