Abstract:
A new variant of active Raman spectroscopy is proposed. Instead of two-frequency pumping, radiation in resonance with the scattering transition is used and a static electric field is applied simultaneously. This variant may have an advantage over the conventional method in the case of a large Stokes shift which is found, for example, in the Raman scattering due to electronic transitions. An analysis is made of the dynamics of the interacting waves and the optimal length of nonlinear medium to which a static electric field should be applied is determined.
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