We employ the self-dispersive nature of infrared–visible sum-frequency generation at interfaces to record sum-frequency 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
Original Manuscript: April 29, 1996
Published: September 15, 1996
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)