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ISSN: 1023-5086

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ISSN: 1023-5086

Scientific and technical

Opticheskii Zhurnal

A full-text English translation of the journal is published by Optica Publishing Group under the title “Journal of Optical Technology”

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DOI: 10.17586/1023-5086-2023-90-03-16-25

УДК: 535.42

Formation and properties of volume and relief holographic gratings in photopolymer materials

Vorzobova, N.D., Sokolov, P.P.

Full text on elibrary.ru

For Russian citation (Opticheskii Zhurnal):

Ворзобова Н.Д., Соколов П.П. Формирование и свойства объемных и рельефных голографических решеток в фотополимерных материалах // Оптический журнал. 2022. Т. 90. № 3. С. 16–25. http://doi.org/10.17586/1023-5086-2023-90-03-16-25

 

Vorzobova N.D., Sokolov P.P. Formation and properties of volume and relief holographic gratings in photopolymer materials [in Russian] // Opticheskii Zhurnal. 2023. V. 90. № 3. P. 16–25. http://doi.org/10.17586/1023-5086-2023-90-03-16-25

For citation (Journal of Optical Technology):

N. D. Vorzobova and P. P. Sokolov, "Formation and properties of volume and relief holographic gratings in photopolymer materials," Journal of Optical Technology. 90(3), 114-118 (2023). https://doi.org/10.1364/JOT.90.000114

Abstract:

Subject of study. Formation conditions, diffraction, and selective properties of various types holographic gratings in photopolymer materials. Aim of study. The diffraction and selective properties investigation of one­dimensional non­slanted and slanted gratings, relief gratings, hybrid structures and two­dimensional gratings in various photopolymer materials in radiation incidence angles the wide range in three­dimensional space and determination of the conditions for expanding the angular range in which high diffraction properties are achieved. Methodology. The study of the transmission gratings diffraction efficiency and angular selectivity, in contrast to the traditional technique, was carried out with the incidence of radiation in a wide angular range in different planes with a change in the orientation of the grating. Main results. The conditions for obtaining effective transmission volume gratings in advanced photopolymer materials and their properties are determined. It is shown that when the radiation is incident in the Bragg plane, the maximum diffraction efficiency is achieved in the angles range up to 80° with the full width at half maximum of the angular selectivity contour up to 120°. There are directions of radiation passage through the grating (oblique transmission), which differ from the traditional Bragg direction, at which the maximum diffraction efficiency is achieved. The maximum diffraction efficiency is achieved at large angles of incidence, about 70°. The conditions for the formation of effective hybrid structures combining the properties of a volume and relief grating are determined. It is shown that the range of radiation incidence angles is extended due to the contribution of the relief component of the hybrid structure. The implementation possibility of effective relief gratings in a previously unexplored serial photopolymer material is leted us. The conditions for obtaining effective two­dimensional gratings with the possibility of a smooth change in the intensities in diffracted beams when the element is rotated are determined. Practical significance. It is shown that the angular range expansion can be achieved by varying the characteristics and orientation of the gratings, which eliminates the need for stacked elements. The holographic gratings established properties can be used to solve problems for solar energy, diffractive optics, and security printing technologies.

 

Acknowledgment: this work was supported financially by ITMO University, grant № 621317. The authors are grateful to ITMO University staff B.A. Nasedkin for providing the laser (375 nm) and I.D. Skurlov for measuring the grating samples optical density.

Keywords:

volume holographic grating, slanted and non­slanted gratings, one­dimensional and two­dimensional gratings, hybrid structure, relief grating, diffraction efficiency, angular selectivity, photopolymer material

OCIS codes: 090.1970, 090.2890, 090.7330

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