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Surface-wave diffraction on LiNbO3

Surface-wave diffraction on LiNbO3

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Radiation patterns from transducers on the Y face of LiNbO3 have been measured for propagation in several directions. It is demonstrated here that simple results may be obtained from a detailed Green's-function analysis which allow important practical information to be obtained, such as the Fresnel distance and far-field beam width as functions of the orientation of the transducer normal.

References

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      • R.D. Weglein , M.E. Pedinoff , H. Winston . Diffraction spreading of surface waves on LiNbO3. Electron. Lett. , 654 - 656
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      • M.G. Cohen . Optical study of ultrasonic diffraction and focusing in anisotropic media. J. Appl. Phys. , 3821 - 3823
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      • M.J. Lighthill . Studies on magneto-hydrodynamic waves and other anisotropic wave motions. Phil. Trans. , 397 - 430
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      • Slobodnik, A.J., Conway, E.D.: `Microwave acoustics handbook. Vol. 1-Surface wave velocities', AFCRL-70-0164, US Air Force Cambridge Research Laboratories report, March 1970.
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      • B.A. Richardson , G.S. Kino . Probing of elastic surface waves in piezoelectric media. Appl. Phys. Lett. , 82 - 84
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