Design of Non-Reciprocal Lamb Wave Filter by Heterojunction Phononic Crystals

Kenji Tsuruta, Shota Asada, Yuhei Iwasaki, Atsushi Ishikawa

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We designed a new acoustic diode model, based on a one-dimensional structure consisting of piezoelectric ceramic films placed periodically in an epoxy plate. Specifically, the model is designed to exhibit non-reciprocal wave propagation in the audible and ultrasonic range. Our model includes no artificial forces to generate the asymmetry in the system but utilizes a mode-conversion mechanisms of elastic-wave propagation at interfaces. We demonstrate numerically that the model can achieve non-reciprocity at a particular frequency range for both S-mode and A-mode incidence of the Lamb wave. We further attempt to develop an additional model that can suppress unwanted backward propagation due to a large mismatch at the heterojunction interface.

Original languageEnglish
Title of host publication2018 IEEE International Ultrasonics Symposium, IUS 2018
PublisherIEEE Computer Society
Volume2018-October
ISBN (Electronic)9781538634257
DOIs
Publication statusPublished - Dec 17 2018
Event2018 IEEE International Ultrasonics Symposium, IUS 2018 - Kobe, Japan
Duration: Oct 22 2018Oct 25 2018

Other

Other2018 IEEE International Ultrasonics Symposium, IUS 2018
CountryJapan
CityKobe
Period10/22/1810/25/18

Fingerprint

Lamb waves
heterojunctions
filters
crystals
wave propagation
piezoelectric ceramics
elastic waves
incidence
ultrasonics
frequency ranges
diodes
asymmetry
propagation
acoustics

Keywords

  • finite-element simulation
  • Lamb wave
  • non-reciprocal acoustics
  • phononic crystal

ASJC Scopus subject areas

  • Acoustics and Ultrasonics

Cite this

Tsuruta, K., Asada, S., Iwasaki, Y., & Ishikawa, A. (2018). Design of Non-Reciprocal Lamb Wave Filter by Heterojunction Phononic Crystals. In 2018 IEEE International Ultrasonics Symposium, IUS 2018 (Vol. 2018-October). [8579922] IEEE Computer Society. https://doi.org/10.1109/ULTSYM.2018.8579922

Design of Non-Reciprocal Lamb Wave Filter by Heterojunction Phononic Crystals. / Tsuruta, Kenji; Asada, Shota; Iwasaki, Yuhei; Ishikawa, Atsushi.

2018 IEEE International Ultrasonics Symposium, IUS 2018. Vol. 2018-October IEEE Computer Society, 2018. 8579922.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Tsuruta, K, Asada, S, Iwasaki, Y & Ishikawa, A 2018, Design of Non-Reciprocal Lamb Wave Filter by Heterojunction Phononic Crystals. in 2018 IEEE International Ultrasonics Symposium, IUS 2018. vol. 2018-October, 8579922, IEEE Computer Society, 2018 IEEE International Ultrasonics Symposium, IUS 2018, Kobe, Japan, 10/22/18. https://doi.org/10.1109/ULTSYM.2018.8579922
Tsuruta K, Asada S, Iwasaki Y, Ishikawa A. Design of Non-Reciprocal Lamb Wave Filter by Heterojunction Phononic Crystals. In 2018 IEEE International Ultrasonics Symposium, IUS 2018. Vol. 2018-October. IEEE Computer Society. 2018. 8579922 https://doi.org/10.1109/ULTSYM.2018.8579922
Tsuruta, Kenji ; Asada, Shota ; Iwasaki, Yuhei ; Ishikawa, Atsushi. / Design of Non-Reciprocal Lamb Wave Filter by Heterojunction Phononic Crystals. 2018 IEEE International Ultrasonics Symposium, IUS 2018. Vol. 2018-October IEEE Computer Society, 2018.
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