Title :
Quantitative mapping of plasmonic near-fields using infrared far-field vibrational spectroscopy
Author :
Dregely, Daniel ; Neubrech, F. ; Duan, Hongtao ; Giessen, H.
Author_Institution :
4th Phys. Inst., Univ. of Stuttgart, Stuttgart, Germany
Abstract :
We directly map plasmonic near-field intensities by resonantly enhanced infrared far-field spectroscopy. We position a nanoscopic molecular probe at different locations of plasmonic rod and gap-type antennas and measure the vibrational signal with FTIR spectroscopy.
Keywords :
Fourier transform optics; Fourier transform spectra; infrared spectra; metamaterial antennas; nanophotonics; optical variables measurement; plasmonics; vibrations; FTIR spectroscopy; gap-type antennas; infrared far-field vibrational spectroscopy; nanoscopic molecular probe; plasmonic near-field intensity mapping; plasmonic rod; vibrational signal measurement; Antenna measurements; Antennas; Optical device fabrication; Plasmons; Probes; Spectroscopy; Vibration measurement;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
