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

Kenji Tsuruta; Shota Asada; Yuhei Iwasaki; Atsushi Ishikawa

doi:10.1109/ULTSYM.2018.8579922

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 proceeding › Conference contribution

1 Citation (Scopus)

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 language	English
Title of host publication	2018 IEEE International Ultrasonics Symposium, IUS 2018
Publisher	IEEE Computer Society
ISBN (Electronic)	9781538634257
DOIs	https://doi.org/10.1109/ULTSYM.2018.8579922
Publication status	Published - Dec 17 2018
Event	2018 IEEE International Ultrasonics Symposium, IUS 2018 - Kobe, Japan Duration: Oct 22 2018 → Oct 25 2018

Publication series

Name	IEEE International Ultrasonics Symposium, IUS
Volume	2018-October
ISSN (Print)	1948-5719
ISSN (Electronic)	1948-5727

Other

Other	2018 IEEE International Ultrasonics Symposium, IUS 2018
Country/Territory	Japan
City	Kobe
Period	10/22/18 → 10/25/18

Keywords

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

ASJC Scopus subject areas

Acoustics and Ultrasonics

Access to Document

10.1109/ULTSYM.2018.8579922

Cite this

Design of Non-Reciprocal Lamb Wave Filter by Heterojunction Phononic Crystals. / Tsuruta, Kenji; Asada, Shota; Iwasaki, Yuhei et al.
2018 IEEE International Ultrasonics Symposium, IUS 2018. IEEE Computer Society, 2018. 8579922 (IEEE International Ultrasonics Symposium, IUS; Vol. 2018-October).

Research output: Chapter in Book/Report/Conference proceeding › Conference 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., 8579922, IEEE International Ultrasonics Symposium, IUS, vol. 2018-October, IEEE Computer Society, 2018 IEEE International Ultrasonics Symposium, IUS 2018, Kobe, Japan, 10/22/18. https://doi.org/10.1109/ULTSYM.2018.8579922

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title = "Design of Non-Reciprocal Lamb Wave Filter by Heterojunction Phononic Crystals",

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.",

keywords = "Lamb wave, finite-element simulation, non-reciprocal acoustics, phononic crystal",

author = "Kenji Tsuruta and Shota Asada and Yuhei Iwasaki and Atsushi Ishikawa",

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AU - Tsuruta, Kenji

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PY - 2018/12/17

Y1 - 2018/12/17

N2 - 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.

AB - 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.

KW - Lamb wave

KW - finite-element simulation

KW - non-reciprocal acoustics

KW - phononic crystal

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M3 - Conference contribution

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PB - IEEE Computer Society

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

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Keywords

ASJC Scopus subject areas

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