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Recent advances in the negative refraction of longitudinal waves in an elastic phononic crystal

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6 Author(s)
A. -C. Hladky-Hennion ; IEMN-UMR 8520 CNRS, Cité Scientifique, 59652 Villeneuve d'Ascq Cedex, France ; C. Croënne ; K. R. Olympio ; J. Vasseur
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In the present study, results are presented on the development of superlenses based on left-handed elastic phononic crystals (PC). Numerical simulations are performed to design left-handed elastic PC in terms of constitutive materials, lattice geometry and filling fraction of the inclusion. Wave injection phenomenon inside the PC is studied and shows the importance of the interface geometry between the PC and the external fluid domain to increase the energy transmitted to the PC.

Published in:

2011 IEEE International Ultrasonics Symposium

Date of Conference:

18-21 Oct. 2011