Formation of collimated sound beams by three-dimensional sonic crystals

Details Formation of collimated sound beams by three-dimensional sonic crystals Formation of collimated sound beams by three-dimensional sonic crystals

2011-11-28

arxiv.org/abs/1111.6382v1

Physics

Condensed Matter

Materials Science

Scientific paper

A theoretical and experimental study of the propagation of sound beams in-
and behind three-dimensional sonic crystals at frequencies close to the band
edges is presented. An efficient collimation of the beam behind the crystal is
predicted and experimentally demonstrated. This effect could allow the design
of sources of high spatial quality sound beams.

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