Abstract

Acousto-optical parameters in the mixture of the polyvinyl alcohol (PVA) polymers with the modified polyvinyl alcohol (MPA) were investigated as the functions of the MPA content, time of exposure, and temperature. The maximal value of the acousto-optical quality coefficients was reached at the contents of the MPA above 70%. It was proposed to use the PVA photopolymers as the acousto-optical modulators and deflectors. It was unambiguously shown an essential role of the alcohol modifications on the change of the acousto-optical parameters. Simultaneously it was revealed a critical dependence of the acousto-optical coefficients from the thickensses of the samples. The data on the acousto-optical quality correlate with the data obtained by the sound losses in the external electrical field.

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