Optical Phenomena in Dielectric Spheres Several Light Wavelengths in Size: A Review
Physics of Wave Phenomena(2022)
摘要
— The size parameter q = 2π R /λ in spheres with a radius R = (2–3)λ (λ is the radiation wavelength) is on the order of 10. Strong Mie resonances ( ℓ⩾ 5 ) are observed in these structures; these resonances lead to peculiar optical phenomena, caused by the interference of high-order multipoles and localization of magnetic fields. Examples of such optical phenomena are presented in this review.
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关键词
spherical particle, mesoscale, Mie theory, photonic nanojet, magnetic light, Fano resonances, anapole, giant magnetic fields
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