Elastic anisotropy of acousto-optic interaction medium

Vitaly B. Voloshinov

doi:10.1117/12.447607

6 November 2001 Elastic anisotropy of acousto-optic interaction medium

Vitaly B. Voloshinov

Proceedings Volume 4514, Acousto-Optics and Applications IV; (2001) https://doi.org/10.1117/12.447607
Event: Acousto-Optics and Applications IV, 2001, Gdansk-Jurata, Poland

Abstract

The paper examines regular trends of light diffraction by ultrasound propagating in media possessing anisotropy of elastic properties. The analysis is carried out on base of the single crystals of tellurium dioxide TeO₂, calomel Hg₂Cl₂ and tellurium Te. The particular crystalline media have been chosen due to the extremely large angles between phase V and group V_g velocities of the acoustic waves in the materials. In X-Y planes of the crystals, the obliquity angle may exceed the value φ > 45°. It is shown that the strong anisotropy of the elastic properties influences on the process of light and sound interaction. In the case of Bragg regime of light diffraction, the diffracted beam intensity I₁ and the acoustic frequency bandwidth of diffraction Δf in the anisotropic crystals differ from the corresponding efficiency and the bandwidth in glass materials. The paper considers features of the acousto-optic interaction originating from the presence of the elastic anisotropy.

Citation Download Citation

Vitaly B. Voloshinov "Elastic anisotropy of acousto-optic interaction medium", Proc. SPIE 4514, Acousto-Optics and Applications IV, (6 November 2001); https://doi.org/10.1117/12.447607

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