2003/12/11 by Chao-Hsien Kuo, Zhen Ye · 1 citation
Engineering · Medicine · Physics and Astronomy · #Acoustic Wave Phenomena Research #Microwave Imaging and Scattering Analysis #Ultrasound Imaging and Elastography #cond-mat.mtrl-sci
paper · pdf · doi:10.1088/0022-3727/37/15/017
published as J. Phys. D: Appl. Phys. 37, 2155-2159 (2004) · 4 pages, 5 figures
arxiv created 2003/12/11 · openalex publication_date 2004/07/15 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/30
This paper presents a theoretical study of the phenomenon of acoustic imaging using sonic crystals, which are made of two-dimensional regular arrays of rigid cylinders placed in parallel in air. The scattering of acoustic waves is computed using the standard multiple scattering theory, and the band structures are computed using the plane-wave expansion method. It is shown that not only can properly arranged arrays behave as acoustic lenses but the focusing effect can also be well described by the lensmaker's formula. Possible applications are also discussed.