Raman scattering by phonons and polaritons in LiNbO3 and LiTaO3

Vladimir S. Gorelik; Alexandr L. Karuzskii; Anatolii V. Perestoronin; Pavel P. Sverbil

doi:10.1117/12.378136

18 February 2000 Raman scattering by phonons and polaritons in LiNbO₃ and LiTaO₃

Vladimir S. Gorelik, Alexandr L. Karuzskii, Anatolii V. Perestoronin, Pavel P. Sverbil

Proceedings Volume 4069, Raman Scattering; (2000) https://doi.org/10.1117/12.378136
Event: Raman Scattering, 1998, Moscow, Russian Federation

Abstract

Spectra of the Raman scattering (RS) by transverse and longitudinal A₁-vibrations in crystals of the lithium niobate and lithium tantalate are investigated at room and liquid helium temperatures. An essential decrease of the RS- linewidths for scattering by A₁T-phonons is found in the course of deceasing from room to liquid helium temperature. The obtained results show that coherent excitation of polariton modes in ferroelectrics is a promising method for generating the frequency-tunable submillimeter-band radiation.

Citation Download Citation

Vladimir S. Gorelik, Alexandr L. Karuzskii, Anatolii V. Perestoronin, and Pavel P. Sverbil "Raman scattering by phonons and polaritons in LiNbO₃ and LiTaO₃", Proc. SPIE 4069, Raman Scattering, (18 February 2000); https://doi.org/10.1117/12.378136

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