Brillouin light scattering in piezoelectric crystals

Tomasz Blachowicz; A. Hudy

doi:10.1117/12.330485

11 November 1998 Brillouin light scattering in piezoelectric crystals

Tomasz Blachowicz, A. Hudy

Proceedings Volume 3581, Acousto-Optics and Applications III; (1998) https://doi.org/10.1117/12.330485
Event: Acousto-Optics and Applications III, 1998, Gdansk-Jurata, Poland

Abstract

The article provides a description of the hypersonic acoustic wave frequency measurements in the piezoelectric LiTaO₃ crystal. Especially it contains the description of an experiment preparation. The main purpose was an observation of the acoustic waves in the same crystallographic direction, however for different frequencies of the acoustic waves, to find dispersion relations for the wave velocities. Before the measurements calculations of the frequencies were performed. For the calculation ultrasonic data were used. A comparison with current hypersonic results shows a difference in the values of the acoustic wave frequency. The c₆₆ elastic constant of the LiTaO₃ was also examined in the range of frequencies equal to 20.4 GHz-29.4 GHz.

Citation Download Citation

Tomasz Blachowicz and A. Hudy "Brillouin light scattering in piezoelectric crystals", Proc. SPIE 3581, Acousto-Optics and Applications III, (11 November 1998); https://doi.org/10.1117/12.330485

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