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Please use this identifier to cite or link to this item: https://elib.bsu.by/handle/123456789/274336
Title: Volume Holographic Material for Red Spectral Range Based on Polymer with Anthracene Side Groups
Authors: Mahilny, U. V.
Stankevich, A. I.
Khramtsou, E. A.
Shkadarevich, A. P.
Issue Date: 2021
Publisher: Springer
Citation: Journal of Applied Spectroscopy, Vol. 88, No. 1, March, 2021 (Russian Original Vol. 88, No. 1, January–February, 2021)
Abstract: The possibility of volumetric phase recording based on photo-oxidation of the side anthracene groups of a new polymer with a glass transition temperature of ~338 K by oxygen that enters the layer across the boundary with the atmospheric medium, was established experimentally. Volumetric holographic gratings with a maximum diffraction effi ciency of 2.5–9.5% were recorded with the radiation from a He–Ne laser (λ = 633 nm) in layers 5–20-μm thick. It was shown that in layers thicker than 10 μm the diffraction effi ciency is limited by saturation of growth in the modulation depth of the optical path difference. This effect is due to increase in the radius of the photorefraction sphere around the photosensitizer molecule with the increased photoconversion of the anthracene groups, which lowers the resolution of the holographic grating and its effective thickness.
URI: https://elib.bsu.by/handle/123456789/274336
Scopus: 10.1007/s10812-021-01153-z
Licence: info:eu-repo/semantics/restrictedAccess
Appears in Collections:Кафедра физической оптики и прикладной информатики (статьи)

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