Journal
AIP ADVANCES
Volume 6, Issue 12, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4968616
Keywords
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Funding
- LABEX WIFI (Laboratory of Excellence) within the French Program Investments for the Future [ANR-10-LABX-24, ANR-10-IDEX-0001-02 PSL*]
- Direction Generale de l'Armement (DGA)
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We investigate the interaction between Bragg and hybridization effects on the band gap properties of bubble phononic crystals. These latter consist of air cavities periodically arranged in an elastomer matrix and are fabricated using soft-lithography techniques. Their transmission properties are affected by Bragg effects due to the periodicity of the structure as well as hybridization between the propagating mode of the embedding medium and bubble resonance. The hybridization gap survives disorder while the Bragg gap requires a periodic distribution of bubbles. The distance between two bubble layers can be tuned to make the two gaps overlap or to create a transmission peak in the hybridization gap. (C) 2016 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
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