We employ the self-dispersive nature of infrared-visible sum-frequency generation at interfaces to record sumfrequency spectra of molecular monolayers with a spectral resolution of a few inverse centimeters, using IR light with a spectral content of approximately 50 cm-1.
© 1996 Optical Society of America
E. W. M. van der Ham, Q. H. F. Vrehen, and E. R. Eliel, "Self-dispersive sum-frequency generation at interfaces," Opt. Lett. 21, 1448-1450 (1996)