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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: 10.17586/1023-5086-2023-90-05-86-92

УДК: 778.38.01:535

Reflection holographic photopolymer gratings with an anharmonic modulation of the refractive index

Derevyanko D.I., Pen E.F., Shelkovnikov V.V.

Full text on elibrary.ru

Publication in Journal of Optical Technology

For Russian citation (Opticheskii Zhurnal):

Деревянко Д.И., Пен Е.Ф., Шелковников В.В. Отражательные голографические фотополимерные решетки с ангармоническим распределением профиля модуляции показателя преломления // Оптический журнал. 2023. Т. 90. № 5. С. 86–92. http:doi.org/10.17586/1023-5086-2023-90-05-86-92

 

Derevyanko D.I., Pen E.F., Shelkovnikov V.V. reflection holographic photopolymer gratings with an anharmonic modulation of the refractive index [in Russian] // Opticheskii Zhurnal. 2023. V. 90. № 5. P. 86–92. http:doi.org/10.17586/1023-5086-2023-90-05-86-92

For citation (Journal of Optical Technology):

Dmitry I. Derevyanko, Evgeniy F. Pen, and Vladimir V. Shelkovnikov, "Reflection holographic photopolymer gratings with an anharmonic modulation of the refractive index," Journal of Optical Technology. 90(5), 278-281 (2023)

Abstract:

The subject of research is reflection holographic photopolymer gratings with an anharmonic profile of the refractive index modulation. The goal of this work is to determine the conditions for the formation in a holographic photopolymer material synthesized at the N.N. Vorozhtsov Novosibirsk Institute of Organic Chemistry, volume reflection holograms with a high diffraction efficiency in the first and second diffraction orders, as well as their characterization, a calculation of refractive index modulation in the first and second orders of diffraction, a determination of dependence of diffraction efficiency on the type of polymer binder, as well as irradiated intensity. Method. The characterization of the obtained holograms included recording of the formed holograms transmission spectra, theoretical evaluation of their diffraction efficiency and refractive index modulation amplitude using known formulas. Results. The diffraction and spectral properties of holographic photopolymer gratings with a high anharmonic modulation of refractive index modulation have been studied. Samples of the reflection gratings with a second order diffraction efficiency of 90% were obtained. The dependence of these properties on the type of polymer matrices (polyvinyl acetate, polyurethane), as well as on the intensity of the incident radiation, is established. Practical significance. The high efficiency of the diffraction second order in reflection photopolymer holograms can be useful for creating additional properties of security elements.

Keywords:

photopolymers, reflection holograms, refractive index modulation

OCIS codes: 160.3380, 160.5335

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