Abstract
Optical anisotropy of the oriented poly(vinylidene fluoride) films formed by melt extrusion and porous films obtained by two-stage extension of annealed extruded samples is investigated. The difference in the refractive indices of light polarized in two mutually orthogonal planes is determined by the change in the polarization of light as it passes through the films. The transmission of light in both polarization directions is measured.
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ACKNOWLEDGMENTS
We are grateful to the Resource Center for Optical and Laser Materials of St. Petersburg State University and the Interdisciplinary Resource Center for Nanotechnologies of St. Petersburg State University for providing us with the research equipment.
We are also grateful to A.V. Kurochkin and A.A. Shimko (Resource Center for Optical and Laser Materials, St. Petersburg State University) for fruitful discussion and help in measurements.
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Efremova, E.A., Krylov, I.R., Zinchik, A.A. et al. Optical Anisotropy of Poly(vinylidene fluoride) Oriented Porous Films. Polym. Sci. Ser. A 63, 657–663 (2021). https://doi.org/10.1134/S0965545X21060043
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DOI: https://doi.org/10.1134/S0965545X21060043