Propagation of plasmons in designed single crystalline silver nanostructures

Shailesh Kumar, Ying-Wei Lu, Alexander Huck, Ulrik Lund Andersen

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We demonstrate propagation of plasmons in single crystalline silver nanostructures fabricated using a combination of a bottom-up and a top-down approach. Silver nanoplates of thickness around 65 nm and a surface area of about 100 μm2 are made using a wet chemical method. Silver nanotips and nanowires are then sculptured by focused ion beam milling. The plasmons are excited by using the fluorescence from the redeposited silver clusters during the milling process. Propagation of plasmons in the nanowires is observed in the visible spectral region. We also observe a cavity effect by measuring the emission spectrum from the distal wire end.
Original languageEnglish
JournalOptics Express
Issue number22
Pages (from-to)24614-24622
Publication statusPublished - 2012

Bibliographical note

© 2012 Optical Society of America


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