Super-resolution and frequency-dependent efficiency of near-field optical disks with silver nanoparticles

Ming Yaw Ng, Wei Chih Liu

研究成果: 雜誌貢獻文章同行評審

20 引文 斯高帕斯(Scopus)

摘要

The super-resolution capability of the AgOx-type super-resolution near-field structure disk with silver nanoparticles was studied using finite-difference time-domain method at different incident light frequencies. The near fields exhibited strongly local field enhancement around silver nanoparticles in the AgOx layer due to localized surface plasmon. The subwavelength recording marks smaller than λ/10 were distinguishable since the metallic nanoparticles with high localized fields transferred evanescent waves to detectable signals in the far field. The far-field signals from random silver nanoparticles displayed similar behaviors as those from single nanoparticle and red-shifts of peak frequencies from particle-particle interaction.

原文英語
頁(從 - 到)9422-9430
頁數9
期刊Optics Express
13
發行號23
DOIs
出版狀態已發佈 - 2005 十一月 14

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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