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pmid: 25167410
arXiv: 1301.5448
handle: 10902/30600 , 10261/102489 , 10553/42715 , 11336/23123 , 10044/1/13881
pmid: 25167410
arXiv: 1301.5448
handle: 10902/30600 , 10261/102489 , 10553/42715 , 11336/23123 , 10044/1/13881
Theory predicts a distinct spectral shift between the near- and far-field optical responses 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 (SEIRS).
16 pages, 5 figures
Nanoantennas, Optical field enhancement, FOS: Physical sciences, Surface-enhanced infrared spectroscopy (SEIRS), 530, https://purl.org/becyt/ford/1.3, Plasmonics, Near- and far-field optical spectroscopy, https://purl.org/becyt/ford/1, Scanning near-field optical microscopy (SNOM), Physics - Optics, Optics (physics.optics)
Nanoantennas, Optical field enhancement, FOS: Physical sciences, Surface-enhanced infrared spectroscopy (SEIRS), 530, https://purl.org/becyt/ford/1.3, Plasmonics, Near- and far-field optical spectroscopy, https://purl.org/becyt/ford/1, Scanning near-field optical microscopy (SNOM), Physics - Optics, Optics (physics.optics)
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