Experimental demonstration of the negative refraction of a transverse elastic wave in a two-dimensional solid phononic crystal

Morvan, Bruno; Tinel, Alain; Hladky, Anne-Christine; O. Vasseur, Jérôme; Dubus, Bertrand

doi:10.1063/1.3302456

Public

Experimental demonstration of the negative refraction of a transverse elastic wave in a two-dimensional solid phononic crystal

Shared by NobleBlocks on Mar 8, 2010 • 12:00 AM UTC

Authors:

Bruno Morvan

Alain Tinel

Anne-Christine Hladky

Abstract

The negative refraction of transverse elastic waves is demonstrated experimentally in a two-dimensional phononic crystal (PC) made of a square lattice of cylindrical air cavities in an aluminum matrix. Dispersion curves of elastic waves in this PC exhibit a unique branch with phase and group velocit...

Subject

Negative refraction

Refraction

Transverse plane

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