Open AccessSuperscattering for non-spherical objects
Author(s) -
Sergey Krasikov,
Mikhail Odit,
Dmitry Dobrykh,
Ildar Yusupov,
Anna Mikhailovskaya,
Diana Shakirova,
А. А. Щербаков,
Alexey Slobozhanyuk,
Pavel Ginzburg,
Dmitry Filonov,
Andrey Bogdanov
Publication year - 2021
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/2015/1/012073
Subject(s) - scattering , limit (mathematics) , circular symmetry , symmetry (geometry) , physics , object (grammar) , cylinder , dipole , resonator , cross section (physics) , simple (philosophy) , radar cross section , optics , geometry , computational physics , mathematical analysis , classical mechanics , mathematics , computer science , quantum mechanics , philosophy , epistemology , artificial intelligence
In this work we generalize the notion of superscattering and associate it with a symmetry group of a scattering object. Using the group theory approach we describe a way to spectrally overlap several eigenmodes of a resonator in order to achieve scattering enhancement. Importantly, this can be done by simple variation of geometric parameters of the system, implying that the symmetry is preserved. We also demonstarte that a scattering cross-section limit of a spherical object is not valid for the case of non-spherical geometries. As an example, we use finite-size ceramic cylinder and demonstrate that a dipolar scattering cross-section limit of a spherical object can be exceeded by more then 3 times. The obtained results may be promising for design of antennas and radio frequency identification systems.