Acoustic whispering gallery mode coupling with Lamb waves in liquid

Feng Li, Ming Xuan, Yihui Wu*, François Bastien

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

Acoustic whispering gallery modes (WGMs) in a micro-quartz tube immersed in liquid medium, excited by the evanescent wave of a Lamb wave device, are demonstrated. These excited WGMs exhibit characteristics similar to those of optical WGMs, such as narrow periodic transmission dips and a high quality factor. These results show the possibility to build acoustic sensors, filter and acoustic resonators working in liquid with improved performance.

Original languageEnglish
Pages (from-to)335-338
Number of pages4
JournalSensors and Actuators A: Physical
Volume189
DOIs
Publication statusPublished - 2013
Externally publishedYes

Keywords

  • Lamb wave
  • Whispering gallery mode

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