Polarization-dependent resonant phenomena in all-dielectric scatterers: inversion of magnetic inductance and electric displacement
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arXiv
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| Natura: | Preprint |
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2024
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| _version_ | 1866929529767854080 |
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| author | Shvartsburg, Aleksandr Artekha, Sergey |
| author_facet | Shvartsburg, Aleksandr Artekha, Sergey |
| contents | The theoretical description and experimental verification of resonant phenomena in electromagnetic fields generated in the near zone of all-dielectric rectangular thin sub wavelength frames, subjected to an incident microwave, is considered. The geometry of considered problems is presented by means of arrangements of these frames in three orthogonal planes, normal respectively to electric component, magnetic component and wave vector of the incident wave. Such trio paves the way to design of 3D all-dielectric multiresonant microwave unit cell. Displacement currents, generated by linearly polarized electromagnetic waves in the system, lead to the formation of magnetic and electric dipoles, each of which possess own resonant frequency. Resonant inversion of magnetic inductance and electric displacement is observed. The sliding incidence of plane wave on the frame is shown to provide the sharp and deep resonance in the components of generated field. The phase shift equal to $π$ between the magnetic components of incident and generated wave indicates the formation of negative magnetic response. There observes the angular anisotropy of arising dipoles, manifested in values of resonance frequencies and in the dependence of depths of resonant spectral dips upon the orientation of dipoles, with respect to the direction of propagation of incident wave. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2402_11509 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Polarization-dependent resonant phenomena in all-dielectric scatterers: inversion of magnetic inductance and electric displacement Shvartsburg, Aleksandr Artekha, Sergey Applied Physics Mesoscale and Nanoscale Physics Classical Physics Optics The theoretical description and experimental verification of resonant phenomena in electromagnetic fields generated in the near zone of all-dielectric rectangular thin sub wavelength frames, subjected to an incident microwave, is considered. The geometry of considered problems is presented by means of arrangements of these frames in three orthogonal planes, normal respectively to electric component, magnetic component and wave vector of the incident wave. Such trio paves the way to design of 3D all-dielectric multiresonant microwave unit cell. Displacement currents, generated by linearly polarized electromagnetic waves in the system, lead to the formation of magnetic and electric dipoles, each of which possess own resonant frequency. Resonant inversion of magnetic inductance and electric displacement is observed. The sliding incidence of plane wave on the frame is shown to provide the sharp and deep resonance in the components of generated field. The phase shift equal to $π$ between the magnetic components of incident and generated wave indicates the formation of negative magnetic response. There observes the angular anisotropy of arising dipoles, manifested in values of resonance frequencies and in the dependence of depths of resonant spectral dips upon the orientation of dipoles, with respect to the direction of propagation of incident wave. |
| title | Polarization-dependent resonant phenomena in all-dielectric scatterers: inversion of magnetic inductance and electric displacement |
| topic | Applied Physics Mesoscale and Nanoscale Physics Classical Physics Optics |
| url | https://arxiv.org/abs/2402.11509 |