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Characterization and imaging of saw grooved transducer acoustic field by SLAM

TitleCharacterization and imaging of saw grooved transducer acoustic field by SLAM
Publication TypeArticolo su Rivista peer-reviewed
Year of Publication1997
AuthorsAnisimkin, V.I., Luprano Vincenza A. M., Penza Michele, Montagna G., and Morozov A.I.
JournalIEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
KeywordsAcoustic bulk wave devices, Acoustic microscopes, Acoustic surface wave devices, Acoustic transducers, Acoustooptical devices, Diffraction gratings, Electromagnetic wave diffraction, Scanning laser acoustic microscopes (SLAM)

Quantitative characterization of the surface acoustic field radiated forward, backward, and in orthogonal directions by the grooved transducer, implemented onto a glass substrate, is accomplished by a scanning laser acoustic microscope (SLAM) operating at 31 MHz. The surface acoustic wave (SAW) amplitude is measured as a function of the number of grooves and the position of the bulk acoustic wave (BAW) transducer. The number of the operating grooves efficiently contributing to the SAW response is estimated. Remarkable reflection of the SAW beam between two identical gratings is observed. © 1997 IEEE.


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Citation KeyAnisimkin19971232