Journal
ULTRASONICS
Volume 52, Issue 5, Pages 593-597Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ultras.2011.12.004
Keywords
Acousto-optic interaction; Leaky surface acoustic waves; Bulk acoustic waves; LiTaO3 crystals; Light diffraction
Funding
- Research Council of Lithuania [MIP-125/2010]
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The acousto-optic interaction with leaky surface acoustic wave radiation into the bulk of YX-cut LiTaO3 crystals has been investigated. The light incidence and diffraction angles corresponding to the strongest acousto-optic interaction were calculated and measured as functions of the acoustic wave frequency. The dependencies of the diffracted light intensity on the amplitude of radio-frequency voltage applied to the interdigital transducer (IDT) were studied. Our acousto-optic measurements revealed generation, by the IDTs, of slow shear bulk acoustic waves propagating at different angles depending on their frequency. A secondary acousto-optic interaction from the bulk waves radiated by the receiving IDT has been studied. (C) 2011 Elsevier B. V. All rights reserved.
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