Abstract
Overtone bands in the spectral range of 1300−1920 cm–1 have been found in Raman scattering spectrum of lithium tantalate single crystals. The Raman spectra were recorded in the 180° scattering geometry. The intensity of overtone transitions differs for different samples and, in some cases, is comparable with the Raman scattering intensity at the fundamental modes of a lithium tantalate single crystal.
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This study was supported by the Russian Science Foundation, project no. 19-12-00242.
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Translated by A. Sin’kov
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Abdurakhmonov, S.D., Gorelik, V.S. Overtone Raman Scattering in Lithium Tantalate Single Crystals. Opt. Spectrosc. 127, 587–590 (2019). https://doi.org/10.1134/S0030400X19100023
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DOI: https://doi.org/10.1134/S0030400X19100023