Split-ring resonators interacting with a magnetic field at visible frequencies

T. Tomioka, S. Kubo, M. Nakagawa, M. Hoga, T. Tanaka

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)


Split-ring resonators (SRRs) are attractive owing to the interaction with a magnetic field of incident light. Here, we report the fabrication of uniform arrays of about 360 million Au SRRs with a line width of approximately 50 nm by reactive-monolayer-assisted thermal nanoimprint lithography over a 5-mm square area. Furthermore, we present an experimental demonstration of the oscillation of free electrons excited by a magnetic field at 690 nm in the visible frequency region. The fabrication and optical investigation of SRR arrays over such large areas will facilitate opportunities to realize advanced optical devices.

Original languageEnglish
Article number071104
JournalApplied Physics Letters
Issue number7
Publication statusPublished - 2013 Aug 12


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