Abstract
We have measured the vibrational Raman spectrum of a 1.2-μm-thick polystyrene film by using this film as an optical waveguide in a waveguide-stimulated Raman gain experiment. A gain factor of 1.3% was measured for the strong benzene mode at 1002 cm−1. This value is in reasonable agreement with theoretical predictions.
© 1996 Optical Society of America
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