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Ultrasound Transmission Through Periodically Perforated Plates

  • Héctor Estrada
  • F. Javier García de Abajo
  • Pilar Candelas
  • Antonio Uris
  • Francisco Belmar
  • Francisco MeseguerEmail author
Chapter
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Part of the Springer Series in Materials Science book series (SSMATERIALS, volume 166)

Abstract

We study sound transmission through plates perforated with subwavelength holes. Experimental results are analyzed in the light of both a rigid solid model as well as a full elasto-acoustic theory. A discussion comparing sound and optics is given based upon an analytical framework. We show that, unlike light, sound is transmitted through individual subwavelength holes, in a perfectly rigid thin film approximately in proportion to their area. Moreover, hole arrays in perfectly rigid thin films do not exhibit full sound transmission due to the absence of lattice resonances. Therefore, the resonant full transmission observed in hole arrays is not extraordinary in the case of sound. However extraordinary sound screening well beyond that predicted by the mass law is observed. Finally, we find a strong interplay between Wood anomaly minima and intrinsic plate modes (Lamb modes), which results in fundamentally unique behavior of sound as compared to light.

Keywords

Lamb Wave Transmission Peak Perforated Plate Filling Fraction Sound Transmission 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgements

The authors wish to acknowledge financial support from projects MICINN MAT2010-16879, Consolider Nanolight.es CSD-2007-0046 of the Spanish Education and Science Ministry, and project PROMETEO/2010/043 of Generalitat Valenciana. H.E. acknowledges a CSIC-JAE scholarship.

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Copyright information

© Springer Science+Business Media Dordrecht 2013

Authors and Affiliations

  • Héctor Estrada
    • 1
    • 2
  • F. Javier García de Abajo
    • 3
  • Pilar Candelas
    • 1
  • Antonio Uris
    • 1
  • Francisco Belmar
    • 1
  • Francisco Meseguer
    • 1
    • 2
    Email author
  1. 1.Centro de Tecnologías Físicas, Unidad Asociada ICMM-CSIC/UPVUniversidad Politécnica de ValenciaValenciaSpain
  2. 2.Instituto de Ciencia de Materiales de Madrid (CSIC)MadridSpain
  3. 3.Instituto de Óptica CSICUnidad Asociada CSIC-Universidade de VigoMadridSpain

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