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Proceedings Paper

Field enhancement in acousto-optic crystals with metamaterial inclusions
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Paper Abstract

The possibility of efficiently using metamaterials in acousto-optics has been demonstrated. Diffraction of light in heterogeneous medium with non-uniform spatial distribution of dielectric nanoparticles taking into account absorption of light is investigated. It is shown that by changing the concentration of dielectric nanoparticles in the medium, complete elimination of side oscillations and suppression of the “tails” of the diffraction reflection curve can be achieved. The possibility of controlling the hardware function of acousto-optic devices by changing the material, concentration, size, shape and spatial orientation of the inclusions, as well as the polarization of the incident radiation is shown. It is shown, that extremely large electric field enhancement can be observed in an anisotropic crystal in the presence of spatial apodization of the amplitude or abrupt change in the phase of acoustic wave.

Paper Details

Date Published: 1 April 2020
PDF: 10 pages
Proc. SPIE 11344, Metamaterials XII, 113441C (1 April 2020); doi: 10.1117/12.2554933
Show Author Affiliations
Nikolai I. Petrov, Scientific and Technological Ctr. of Unique Instrumentation (Russian Federation)
Vladislav I. Pustovoit, Scientific and Technological Ctr. of Unique Instrumentation (Russian Federation)


Published in SPIE Proceedings Vol. 11344:
Metamaterials XII
Kevin F. MacDonald; Isabelle Staude; Anatoly V. Zayats, Editor(s)

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