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5 March 2022 Topology of Poynting vector in scattering from magneto-electric cylinder and its applications
Nitish Chandra, Natalia M. Litchinitser
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Proceedings Volume PC12011, High Contrast Metastructures XI; PC120110F (2022) https://doi.org/10.1117/12.2609203
Event: SPIE OPTO, 2022, San Francisco, California, United States
Abstract
In electromagnetics, a medium moving at non-relativistic velocities is equivalent to a bianisotropic refractive index, produces the same effect for light as vector potential for charged particles. We investigate Mie scattering from the cylinder made of magneto-electric material. We find Poynting vector singularities in the near field distribution. A high k-vector region around the singularity may find applications in the near field superresolution imaging. We predict an additional phase change in the far-field for the magneto-electric cylinder compared to conventional Mie scattering. The magneto-electric coefficient can control the angular position of the phase change in the far-field and the position of the Poynting vector singularities.
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Nitish Chandra and Natalia M. Litchinitser "Topology of Poynting vector in scattering from magneto-electric cylinder and its applications", Proc. SPIE PC12011, High Contrast Metastructures XI, PC120110F (5 March 2022); https://doi.org/10.1117/12.2609203
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KEYWORDS
Scattering
Electromagnetic scattering
Mie scattering
Radio propagation
Dielectrics
Laser scattering
Magnetism
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