Optical superresonance and generation of extreme magnetic fields in mesoscale dielectric spheres

Oleg V. Minin; Igor V. Minin

doi:10.1117/12.2688552

2 November 2023 Optical superresonance and generation of extreme magnetic fields in mesoscale dielectric spheres

Oleg V. Minin, Igor V. Minin

Proceedings Volume 12920, XVI International Conference on Pulsed Lasers and Laser Applications; 129200H (2023) https://doi.org/10.1117/12.2688552
Event: XVI International Conference on Pulsed Lasers and Laser Applications, 2023, Tomsk, Russian Federation

Abstract

The history of classical optics is associated with dielectric lenses, with a Mie size parameter, q=2πR/λ (where R is the radius sphere, and λ is the radiation wavelength) of about q>100, where the geometrical optics approximation is valid. The optically resonant dielectric nanostructures with a high refractive index has the size parameter of the one, q~1. But the dielectric particles with q ~ 10, are in the region between the wave and geometric optics turned out to be a "black spot" on the map of dielectric photonics. However, the studies on the optics of dielectric spheres of mesoscale sizes over the past twenty years, discover a number of unusual phenomena, including optical vortices, single and double both photonic nanojets and photonic hook, high-order Fano resonances, and the excitation of giant magnetic fields. The report gives a brief overview of these phenomena. The presence of a number of interesting applications indicates a new promising direction in photonics called mesotronics.

Citation Download Citation

Oleg V. Minin and Igor V. Minin "Optical superresonance and generation of extreme magnetic fields in mesoscale dielectric spheres", Proc. SPIE 12920, XVI International Conference on Pulsed Lasers and Laser Applications, 129200H (2 November 2023); https://doi.org/10.1117/12.2688552

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