Generation of far-infrared radiation by excitation of polaritons in LiNbO3
β Scribed by N. Paraire; S. Laval; R. Laval
- Publisher
- Elsevier Science
- Year
- 1978
- Weight
- 392 KB
- Volume
- 18
- Category
- Article
- ISSN
- 0020-0891
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## Abstract Dispersion of the real Ξ΅β²(Ξ½) and the imaginary Ξ΅β³(Ξ½) parts of the dielectric function was measured by means of cascaded coherent Stokes Raman scattering (CSRS), in the spectral region of phonon polaritons 520β560 cm^β1^, for single crystals of LiNbO~3~:Mg, before and after chemical redu