Extreme effects in field localization of acoustic wave: Super-resonances in dielectric mesoscale sphere immersed in water

Abstract

By the numerical simulation we predict acoustic super-resonance modes with several tens of thousands of times field-intensity enhancement (order of magnitude: 10 ⁴ - 10 ⁵ ) supported by dielectric mesoscale spheres immersed in water. The super-resonances are related to internal scattering at specific values of the Mie and the particle material parameters and they are responsible for generation of giant fields within the particles near its surface. Taking into account the analogy between electromagnetic and acoustic waves this phenomenon is valid in electromagnetic (optical) waveband.

Original language	English
Article number	012042
Journal	IOP Conference Series: Materials Science and Engineering
Volume	516
Issue number	1
DOIs	https://doi.org/10.1088/1757-899X/516/1/012042
Publication status	Published - 26 Apr 2019
Event	3rd International Conference on Cognitive Robotics - Tomsk, Russian Federation Duration: 22 Nov 2018 → 24 Nov 2018

ASJC Scopus subject areas

Materials Science(all)
Engineering(all)

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10.1088/1757-899X/516/1/012042

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Minin, I. V., & Minin, O. V. (2019). Extreme effects in field localization of acoustic wave: Super-resonances in dielectric mesoscale sphere immersed in water. IOP Conference Series: Materials Science and Engineering, 516(1), [012042]. https://doi.org/10.1088/1757-899X/516/1/012042

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AB - By the numerical simulation we predict acoustic super-resonance modes with several tens of thousands of times field-intensity enhancement (order of magnitude: 10 4 - 10 5 ) supported by dielectric mesoscale spheres immersed in water. The super-resonances are related to internal scattering at specific values of the Mie and the particle material parameters and they are responsible for generation of giant fields within the particles near its surface. Taking into account the analogy between electromagnetic and acoustic waves this phenomenon is valid in electromagnetic (optical) waveband.

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