Surface plasmon resonance in metallic nanocylinder array

Tai Chi Chu, Din Ping Tsai, Wei Chih Liu

研究成果: 雜誌貢獻文章

3 引文 斯高帕斯(Scopus)

摘要

Localized surface plasmon resonances of noble-metal nanoparticles lead to high enhancements of local electromagnetic fields near the nanoparticle surface and play a key role in surface-enhanced Raman scattering, surface-enhanced fluorescence, near-field microscopy, and plasmonic devices. Recently, research results have shown that electromagnetic energy can transfer along a metallic nanoparticle chain because of coupled plasmon modes. In this paper, finite-difference time-domain method was used to study the surface plasmon resonances in coupled silver nanocylinder (nanoparticle) arrays and slab-like periodic modulation structures. From the far-field transmittance and reflectance, three different resonance modes were excited for the periodic nanocylinder arrays and only one resonance was excited for the periodic modulation structure. The near-field intensity distributions exhibited highly enhanced fields at the center of the gaps for nanoparticle arrays and at the caves of the periodic modulation structure.

原文英語
頁(從 - 到)S194-S199
期刊Journal of the Korean Physical Society
47
發行號SUPPL. 1
出版狀態已發佈 - 2005 八月

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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