Title :
Ultrafast infrared near-field vibrational nano-spectroscopy
Author :
Xu, X.G. ; Raschke, Markus B.
Author_Institution :
Dept. of Phys., Univ. of Colorado, Boulder, CO, USA
Abstract :
We demonstrate femtosecond infrared vibrational free-induction decay spectroscopy on the nano-scale. The near-field coupling between the transient molecular polarization and optical antenna properties of the metallic scanning probe tip can enhance the vibrational dephasing.
Keywords :
high-speed optical techniques; infrared spectra; infrared spectroscopy; vibrational states; femtosecond infrared vibrational free-induction decay spectroscopy; metallic scanning probe tip; near-field coupling; optical antenna; transient molecular polarization; ultrafast infrared near-field vibrational nanospectroscopy; vibrational dephasing; Couplings; Optical imaging; Optical polarization; Optical scattering; Sensitivity; Spectroscopy; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
