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29 January 1985 Acousto-Optic Bragg Diffraction In Proton Exchanged Waveguides
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Proceedings Volume 0517, Integrated Optical Circuit Engineering I; (1985)
Event: 1984 Cambridge Symposium, 1984, Cambridge, United States
The guided wave acousto-optic Bragg interaction has been investigated in proton exchanged waveguides on X and Y-cut lithium niobate. 220 MHz Z-propagating surface acoustic waves were used to probe the piezoelectric, electro-optic, and acousto-optic properties of the proton exchanged waveguides. We have found that the electromechanical coupling coefficient is reduced significantly in these structures, as is the overall acousto-optic interaction efficiency. The reduced interaction efficiency is attributed to the lack of an electro-optic contribution resulting primarily from a reduced magnitude of the r33 electro-optic constant. We have also seen a very marked increase and strong temperature dependence in the surface acoustic wave attenuation.
© (1985) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Richard L. Davis "Acousto-Optic Bragg Diffraction In Proton Exchanged Waveguides", Proc. SPIE 0517, Integrated Optical Circuit Engineering I, (29 January 1985);

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