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Communication Dans Un Congrès Année : 2016

Bulk acoustic wave transformer employing periodically polled array of piezoelectric rods

Résumé

Multilayer bulk acoustic wave transformer employing a periodical array of piezoelectric rods with alternating polarization is experimentally demonstrated for the first time. Voltage transformation coefficient in excess of 6 was measured at a frequency of 150kHz, providing thus a solid experimental verification of the recently proposed principle of operation. Finite element analysis is used to reveal the underlying device physics.

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Dates et versions

hal-03300124 , version 1 (26-07-2021)

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Victor Plessky, Ventsislav Yantchev, C. Granger, Anne-Christine Hladky. Bulk acoustic wave transformer employing periodically polled array of piezoelectric rods. IEEE International Ultrasonics Symposium (IUS), Sep 2016, Tours, France. ⟨10.1109/ULTSYM.2016.7728583⟩. ⟨hal-03300124⟩
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