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We have investigated the acousto-optic diffraction by shear horizontal surface acoustic waves in 36° rotated Y-cut X-propagation lithium tantalate (LiTaO_{{3}}) crystals. The measurements were performed at the optical wavelength 633 nm of He-Ne laser and acoustic wavelengths of 50-60 μ m. The anisotropic diffraction with the light polarization rotation in the transmission mode was observed. The measured and calculated values of the light incidence angle corresponding to the strongest diffraction differed significantly. A narrow strip of a thin metal film deposited on the crystal surface drastically affected the light diffraction. We attribute these effects to the conversion processes between the shear horizontal leaky surface acoustic wave and shear horizontal surface skimming bulk wave.
Discipline
- 77.65.Dq: Acoustoelectric effects and surface acoustic waves (SAW) in piezoelectrics(see also 43.35.Pt Surface waves in solids and liquids—in Acoustics Appendix; for surface acoustic wave transducers, see 43.38.Rh—in Acoustics Appendix; for acousto-optical effects, see 78.20.hb, and 43.35.Sx—in Acoustics Appendix)
- 78.20.hb: Piezo-optical, elasto-optical, acousto-optical, and photoelastic effects(see also 43.35.Sx Acousto-optical effects, optoacoustics, acoustical visualization, acoustical microscopy, and acoustical holography—in Acoustics Appendix; for acousto-optical devices, see 42.79.Jq, and 43.38.Zp—in Acoustics Appendix)
Journal
Year
Volume
Issue
Pages
52-54
Physical description
Dates
published
2015-01
Contributors
author
- Department of Radiophysics, Vilnius University, Vilnius, Lithuania
author
- Department of Radiophysics, Vilnius University, Vilnius, Lithuania
author
- ECSE, and PAPA, Rensselaer Polytechnic Institute, Troy, NY, USA
References
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- [6] D. Čiplys, R. Rimeika, in: Proc. 20th Int. Congress on Sound and Vibration (ICSV20), Eds. M.J. Crocker, M. Pawelczyk, B. Paosawatyanyong, IIAV, Bangkok 2013, CD-ROM
- [7] A. Yariv, P. Yeh, Optical Waves in Crystals, Wiley, New York 1984
- [8] K.Y. Hashimoto, M. Yamaguchi, H. Kogo, in: Ultrasonics Symp. Proc. 1983, Ed. B.R. McAvoy, IEEE, Atlanta 1983, p. 345
- [9] K. Yamanouchi, M. Takeuchi, in: Proc. 1990 Ultrasonics Symp., IEEE, Honolulu 1990, p. 11, doi: 10.1109/ULTSYM.1990.171319
- [10] M. Yamaguchi, Jpn. J. Appl. Phys. 42, 2909 (2003), doi: 10.1143/JJAP.42.2909
Document Type
Publication order reference
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YADDA identifier
bwmeta1.element.bwnjournal-article-appv127n111kz