Abstract
The angular distribution of the paraxial emission of the first, second, third, and fourth Stokes components of stimulated Raman scattering of light (SRS) in organic liquids (benzene, carbon disulfide, nitrobenzene) is investigated. A “duplication effect,” consisting in the fact that the angular distribution of the paraxial radiation of all the Stokes components duplicates the angular distribution of the exciting radiation emerging from the scattering medium, is observed. Off-axis class-II SRS emission in the same liquids is investigated. A new interpretation is proposed for the off-axis class-II emission on the basis of the Stokes—anti-Stokes four-photon processes. An estimate is presented of the relative intensity of the off-axis SRS radiation and of the total intensity of the second and higher Stokes components.
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