Recording Polarization Holograms in Polymer Films with Azo Dyes and Azo Polymers

Based on polymers with the addition of azo dyes as chromophores and azopolymers with the same covalently linked chromophores, recording media for polarization holography are created and their properties are studied when recording holograms of a plane wave front with parallel and perpendicular polari...

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Bibliographic Details
Published in:Optics and spectroscopy 2019-11, Vol.127 (5), p.860-864
Main Authors: Davidenko, N. A., Davidenko, I. I., Kravchenko, V. V., Mokrinskaya, E. V., Pavlov, V. A., Savchenko, I. A., Tarasenko, V. V., Chuprina, N. G.
Format: Article
Language:English
Subjects:
Addition polymerization
Azo dyes
Azo polymers
Chromophores
Diffraction efficiency
Dyes
Holograms
Holography
Isomerization
Lasers
Optical Devices
Optics
Photonics
Physics
Physics and Astronomy
Plane waves
Polarization
Polymer films
Polymers
Recording
Recording instruments
Solid solutions
Wave fronts
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Summary:Based on polymers with the addition of azo dyes as chromophores and azopolymers with the same covalently linked chromophores, recording media for polarization holography are created and their properties are studied when recording holograms of a plane wave front with parallel and perpendicular polarization of recording rays. It is found that the diffraction efficiency and the storage time of holograms are much longer in recording media with films of azo polymers in comparison with polymeric solid solutions of azo dyes. In the latter case, the energy of light is spent only for the trans – cis isomerization of azo dye molecules during exposure of holograms and the polymer chains do not undergo deformation with the formation of a surface relief in the polymer film. Therefore, it is preferable to use recording media based on solid solutions of azo dyes in dynamic polarization holography.
ISSN:0030-400X
1562-6911
DOI:10.1134/S0030400X19110080