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Experimental verification of the spectral shift between near- and far-field peak intensities of plasmonic infrared nanoantennas

Theory predicts a distinct spectral shift between the near- and far-field optical response of plasmonic antennas. Here we combine near-field optical microscopy and far-field spectroscopy of individual infrared-resonant nanoantennas to verify experimentally this spectral shift. Numerical calculations...

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Bibliographic Details
Main Authors: Alonso-González, Pablo (Author) , Albella, P. (Author) , Neubrech, Frank (Author) , Huck, Christian (Author) , Chen, J. (Author) , Golmar, F. (Author) , Casanova, F. (Author) , Hueso, L. E. (Author) , Pucci, Annemarie (Author) , Aizpurua, J. (Author) , Hillenbrand, R. (Author)
Format: Article (Journal)
Language:English
Published: 14 May 2013
In: Physical review letters
Year: 2013, Volume: 110, Issue: 20, Pages: 1-6
ISSN:1079-7114
DOI:10.1103/PhysRevLett.110.203902
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevLett.110.203902
Verlag, lizenzpflichtig, Volltext: https://link.aps.org/doi/10.1103/PhysRevLett.110.203902
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Author Notes:P. Alonso-González, P. Albella, F. Neubrech, C. Huck, J. Chen, F. Golmar, F. Casanova, L.E. Hueso, A. Pucci, J. Aizpurua, and R. Hillenbrand
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Summary:Theory predicts a distinct spectral shift between the near- and far-field optical response of plasmonic antennas. Here we combine near-field optical microscopy and far-field spectroscopy of individual infrared-resonant nanoantennas to verify experimentally this spectral shift. Numerical calculations corroborate our experimental results. We furthermore discuss the implications of this effect in surface-enhanced infrared spectroscopy.
Item Description:Gesehen am 12.05.2021
Physical Description:Online Resource
ISSN:1079-7114
DOI:10.1103/PhysRevLett.110.203902

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