Spectral tuning of localised surface plasmon-polariton resonance in metallic nano-crescents
Spectral tuning of localised surface plasmon-polariton resonance in metallic nano-crescents
- Author(s): J. Kim ; G.L. Liu ; Y. Lu ; L.P. Lee
- DOI: 10.1049/ip-nbt:20050016
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- Author(s): J. Kim 1 ; G.L. Liu 1 ; Y. Lu 1 ; L.P. Lee 1
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View affiliations
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Affiliations:
1: Biomolecular Nanotechnology Center, Berkeley Sensor & Actuator Center, Department of Bioengineering, University of California, Berkeley, USA
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Affiliations:
1: Biomolecular Nanotechnology Center, Berkeley Sensor & Actuator Center, Department of Bioengineering, University of California, Berkeley, USA
- Source:
Volume 153, Issue 3,
June 2006,
p.
42 – 46
DOI: 10.1049/ip-nbt:20050016 , Print ISSN 1478-1581, Online ISSN 1740-9748
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The utilisation of plasmonic effects in metallic nanostructures is gaining importance for applications in molecular sensing. Of special interest is the local field enhancement effect, which enables surface-enhanced Raman scattering and significantly boosts the sensitivity of the Raman technique. For in vivo biological research, the ability to excite the resonance of localised surface plasmon-polaritons within the biological window is often desired. A new nanostructure called the nano-crescent is introduced and exhibits strong plasmonic activities within the biological window using a novel intra-particle plasmonic coupling scheme.
Inspec keywords: nanotechnology; biosensors; surface plasmon resonance; optical tuning; polaritons
Other keywords:
Subjects: Nanotechnology applications in biomedicine; Polaritons; Biosensors; Optical properties of metals and metallic alloys (thin films, low-dimensional and nanoscale structures); Collective excitations (surface states)
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