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cond-mat.mtrl-sci2004★ 2 cited
Acoustic Lens Design
Andreas Hakansson, Jose Sanchiz-Dehesa, Lorenzo Sanchis
A survey of acoustic devices for focusing airborne sound is presented. We introduce a new approach to design high quality acoustic lenses based on arrays of cylindrical rigid scatt…
cond-mat.mtrl-sci2004
Comment on "Theory of tailoring sonic devices: Diffraction dominates over refraction"
A. Hakansson, J. Sanchez-Dehesa, F. Cervera +3
Recently N. Garcia et al. (Phys. Rev. E 67, 046606 (2003)) theoretically studied several acoustic devices with dimensions on de order of several wavelenghts. The authors discussed…