TY - GEN
T1 - Design of acoustic beam aperture modifier using gradient-index phononiccrystals
AU - Lin, Sz Chin S.
AU - Tittmann, Bernhard R.
AU - Huang, Tony J.
PY - 2010
Y1 - 2010
N2 - This paper reports the design of a novel acoustic beam aperture modifierusing gradient-index phononic crystals consisting of different solid cylindersembedded in a homogeneous epoxy background. Dispersion curves of the acousticwaves were calculated using a plane-wave expansion (PWE) method and theirpropagation in the proposed structure was simulated by a finite-elementtime-domain (FDTD) method. Computational experiments elucidate the effectivenessof the acoustic beam aperture modifier.
AB - This paper reports the design of a novel acoustic beam aperture modifierusing gradient-index phononic crystals consisting of different solid cylindersembedded in a homogeneous epoxy background. Dispersion curves of the acousticwaves were calculated using a plane-wave expansion (PWE) method and theirpropagation in the proposed structure was simulated by a finite-elementtime-domain (FDTD) method. Computational experiments elucidate the effectivenessof the acoustic beam aperture modifier.
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U2 - 10.1109/ULTSYM.2010.5935876
DO - 10.1109/ULTSYM.2010.5935876
M3 - Conference contribution
AN - SCOPUS:80054071182
SN - 9781457703829
T3 - Proceedings - IEEE Ultrasonics Symposium
SP - 1474
EP - 1477
BT - 2010 IEEE International Ultrasonics Symposium, IUS 2010
T2 - 2010 IEEE International Ultrasonics Symposium, IUS 2010
Y2 - 11 October 2010 through 14 October 2010
ER -