4 October 1995 Modified polyvinyl alcohol photopolymer modulators and deflectors
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Proceedings Volume 2643, Acousto-Optics and Applications II; (1995); doi: 10.1117/12.222741
Event: Acousto-Optics and Applications VI, 1995, Gdansk-Jurata, Poland
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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Volodymyr Kravchuk, Jan Kityk, Malgorzata Makowska-Janusik, Dmytro Korolev, Mychailo Yasinskii, Ben Holan, "Modified polyvinyl alcohol photopolymer modulators and deflectors", Proc. SPIE 2643, Acousto-Optics and Applications II, (4 October 1995); doi: 10.1117/12.222741; http://dx.doi.org/10.1117/12.222741
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KEYWORDS
Modulators

Diffraction

Refractive index

Polymers

Signal detection

Crystals

Light wave propagation

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