Zhurnal Radioelektroniki - Journal of Radio Electronics. eISSN 1684-1719. 2021. №11
ContentsFull text in Russian (pdf)
DOI: https://doi.org/10.30898/1684-1719.2021.11.5
UDC: 535.4 (076.5)
ANALYSIS OF THE SELECTIVITY PROPERTIES OF A VOLUMETRIC HOLOGRAM IN A HOLOGRAPHIC PHOTONIC DEVICE
A. G. Prygunov
Federal State Budgetary Educational Institution of higher education Don State Technical University (FSBEI HE DSTU), 344000, c. Rostov-on-Don, 1, Gagarin sq.
The paper was received Dec 15, 2021
Abstract. The importance of the use of radio-photonics in telecommunication equipment is shown. The place and tasks of volumetric holograms in radio-photonic devices are described. The urgency of the problem of studying the properties of selectivity of a volume hologram, which determine the influence of this hologram on the parameters of the light flux in a radio photonics device, has been substantiated. The analysis of the exposure conditions of the volume hologram for the formation of the structure of the striations, providing its spectral and spatial selectivity to the light flux. A reasonable choice of the type of photographic material of a volumetric hologram for its use in the construction of a radio-photonic device is shown. A variant of the optical scheme for recording a volume hologram with two counter propagating light beams with spherical wave fronts and the equation of this hologram are presented. The parameters that determine the structure of the striations of the volume hologram are listed. The analysis of the conditions for the reconstruction of the optical field exposed on the volume hologram is carried out. Conditions for optimal reconstruction of an optical field by a hologram and its destruction are considered. Diagrams of the angles of reconstruction of optical fields by a volumetric reflective hologram are presented. It is shown that when a reconstructing light beam with a spherical wave front is incident on a volume hologram, in order to provide the highest value of the energy of the reconstructed optical field, the reconstructing light beam must be narrowly directed, and its optical axis must coincide with one of the directions of optimal reconstruction. In this case, the reconstructing light beam should be located between the two directions of complete destruction of the optical field. It is concluded that a volume hologram possesses the properties of both spectral (to the wavelength of light) and spatial selectivity, which must be taken into account when using it in a radio-photonic device.
Key words: radiophotonics, volume hologram, structure of striations, spectral and spatial selectivity, Bragg condition, optical field, optimal reconstruction, destruction.
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For citation:
Prygunov A.G. Analysis of the selectivity properties of volumetric holograms in radio-photonic devices. Zhurnal Radioelektroniki [Journal of Radio Electronics] [online]. 2021. №11. https://doi.org/10.30898/1684-1719.2021.11.5 (In Russian)