Tuneable visible resonances in crescent shaped nano-split-ring resonators

A.W. Clark, A.K. Sheridan, A. Glidle, D.R.S. Cumming, J.M. Cooper

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Electron beam lithography was used to fabricate gold crescent shaped split-ring resonators with 30 nm minimum feature size. By varying the crescent’s arc length over a range of nanometer-scale dimensions the authors demonstrate the tuneability of visible resonances within such structures. Results, which correlate closely with those predicted using finite-difference time-domain modeling, open the way for these devices to be used in near-field biological sensing.
Original languageEnglish
Article number093109
Number of pages3
JournalApplied Physics Letters
Issue number9
Publication statusPublished - 27 Aug 2007


  • electron beam lithography
  • nanoelectronics
  • resonators
  • surface plasmon resonance
  • tuneable
  • visible resonances
  • crescent shaped
  • nano-split-ring


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