Four-wave mixing and hyper-Raman scattering in CuCl |
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Authors: | B Honerlage R Levy JB Grun |
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Institution: | Laboratoire de Spectroscopie et d''Optique du Corps Solide, Associé au C.N.R.S. no 232, Université Louis Pasteur, 67000 Strasbourg, France |
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Abstract: | Non-degenerate four-wave mixing using two non-collinear laser beams with frequencies (wavevectors) ωp, ωt (kp, kt) respectively is studied in CuCl. Two emission lines at frequencies ω(1)=2ωt-ωp, and ω(2)=2ωp-ωt are observed. Their excitation spectrum is sharply peaked if the phase-match condition k(1)=2kt-kp is fulfilled. This is the case, if ωp coincides with the hyper-Raman lines (R+T, R-T) of the laser labelled (t) in a well-defined geometrical configuration. |
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