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High frequency surface waves scattered in microstructured phononic crystals

  • Dieter M. Profunser
  • , Oliver B. Wright
  • , Osamu Matsuda
  • , Udo Lang
  • , Khelif Abdelkrim
  • , Sarah Benchabane
  • , Vincent Laude
  • Hokkaido University
  • Swiss Federal Institute of Technology Zurich
  • Université de Bourgogne Franche-Comté 15B Avenue des Montboucons

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Using an ultrafast optical technique, broadband surface acoustic wave packets are tracked on 1D and 2D phononic crystals in two dimensions in real time at frequencies up to ~1 GHz. The acoustic band structure is obtained from the data by means of a spatiotemporal Fourier transform. We find stop bands for both leaky longitudinal and Rayleigh waves.

Original languageEnglish
Title of host publication2006 IEEE International Ultrasonics Symposium, IUS
Pages501-504
Number of pages4
DOIs
Publication statusPublished - 2006
Externally publishedYes

Publication series

NameProceedings - IEEE Ultrasonics Symposium
Volume1
ISSN (Print)1051-0117

Keywords

  • Phononic crystal
  • Stop band
  • Surface acoustic wave
  • Ultrasonic

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