Formation of polychromatic edge dislocation

Igor Mokhun; Alexander Arkhelyuk; Igor Bodyanchuk; Yuriy Galushko; Kateryna Galushko; Yuliaa Viktorovskaya

doi:10.1117/12.2615540

20 December 2021 Formation of polychromatic edge dislocation

Igor Mokhun, Alexander Arkhelyuk, Igor Bodyanchuk, Yuriy Galushko, Kateryna Galushko, Yuliaa Viktorovskaya

Proceedings Volume 12126, Fifteenth International Conference on Correlation Optics; 121260V (2021) https://doi.org/10.1117/12.2615540
Event: Fifteenth International Conference on Correlation Optics, 2021, Chernivtsi, Ukraine

Abstract

The article presents the results of the formation of a polychromatic edge dislocation. A complex Bragg hologram formed as a complex of two gratings with similar characteristics is used as a device employed for this purpose. It is shown that, under resonant illumination of such a grating in the direction of the zero order, two waves are formed with practically equal intensities, forming a low-frequency interference pattern, at the minima of which edge dislocations are observed. The main idea of the method for the formation of a polychromatic edge dislocation is that such a grating is illuminated by a converging radiation beam with a sufficiently wide spectrum. In this case, the structure itself chooses the resonance angles of illumination of the hologram, and identically localized partial spectral gratings are formed in the zero order. The data of experimental studies are presented. The discussion considered the prospects for the formation of polychromatic azimuthally and radially polarized beams

Citation Download Citation

Igor Mokhun, Alexander Arkhelyuk, Igor Bodyanchuk, Yuriy Galushko, Kateryna Galushko, and Yuliaa Viktorovskaya "Formation of polychromatic edge dislocation", Proc. SPIE 12126, Fifteenth International Conference on Correlation Optics, 121260V (20 December 2021); https://doi.org/10.1117/12.2615540

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KEYWORDS

Diffraction

Diffraction gratings

Holograms

Bragg gratings

Prisms

Superposition

Wave propagation

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