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physics.class-ph2018
Acoustic flat lensing using an indefinite medium
M. Dubois, J. Perchoux, A. L. Vanel +10
Acoustic flat lensing is achieved here by tuning a phononic array to have indefinite medium behaviour in a narrow frequency spectral region along the acoustic branch. This is confi…
physics.app-ph2018
Asymptotic modelling of phononic box crystals
Alice L. Vanel, Richard V. Craster, Ory Schnitzer
We introduce phononic box crystals, namely arrays of adjoined perforated boxes, as a three-dimensional prototype for an unusual class of subwavelength metamaterials based on direct…