Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
9770393 | Journal of Molecular Structure | 2005 | 9 Pages |
Abstract
Time-domain Raman spectroscopy using a single color pump-probe technique was performed to observe low-frequency vibrations of a submonolayer (4Ã1013 molecules cmâ2) film of cresyl violet on a fused-silica surface. A16-fs pump pulse at 650Â nm created Raman-active nuclear motions (vibrational coherence) in the film. The vibrational coherence was monitored as the time-dependent reflectance change of the sample. This time-domain method is promising for sensitive detection of low-frequency (terahertz) Raman bands of molecular submonolayer films, especially when the films contain highly luminescent compounds.
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Authors
Satoru Fujiyoshi, Taka-aki Ishibashi, Hiroshi Onishi,