Near-field interaction of two-dimensional high-permittivity spherical particle arrays on substrate in the Mie resonance scattering domain

Yuto Tanaka, Go Obara, Akira Zenidaka, Nikolay N. Nedyalkov, Mitsuhiro Terakawa, Minoru Obara

研究成果: Article査読

25 被引用数 (Scopus)

抄録

We describe theoretical and experimental results on near-field interaction of two-dimensionally (2D) arrayed, high-permittivity spherical particles on a substrate in the Mie resonance scattering domain for surface nano-patterning processing. When a touching particle pair of Mie resonance particles on the substrate is considered, an electromagnetic mode different from the single particle mode is excited inside the particles, resulting in an intensity enhancement in a gap between two hotspots at particle-substrate contact points. As for 2D hexagonal close-packed particle arrays on the substrate, the refractive index of particle exhibiting a maximal enhancement factor for the 2D particle arrays is found to be shifted from the Mie resonance conditions for the single particle system.

本文言語English
ページ(範囲)27226-27237
ページ数12
ジャーナルOptics Express
18
26
DOI
出版ステータスPublished - 2010 12 20

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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