Enhanced scattering of acoustic waves at interfaces

Abstract

We propose a general method to realize a total scattering of an incident acoustic wave at interfaces between different media while allowing the flow of air, fluids and/or particles. This originates from the enlargement of the equivalent acoustic scattering cross section of an embedded object coated with acoustic metamaterials, which causes the coated object to behave as a scatterer bigger than its physical size. We theoretically design a model circular cylindrical object coated with such metamaterials whose properties are determined according to two different, but identical, methods. The desired function is confirmed for both far-field and near-field cases with full wave simulations based on the finite element method. This work reveals a promising way to achieve noise shielding and naval camouflage.

Keywords

superscattering / acoustic waves / finite element simulations

References

[1] U. Leonhardt, Science, 2006, 312(5781): 1777

[2] J. B. Pendry, D. Schurig, and D. R. Smith, Science, 2006, 312(5781): 1780

[3] D. Schurig, J. J. Mock, B. J. Justice, S. A. Cummer, J. B. Pendry, A. F. Starr, and D. R. Smith, Science, 2006, 314(5801): 977

[4] W. Cai, U. K. Chettiar, A. V. Kildishev, and V. M. Shalaev, Nat. Photonics, 2007, 1(4): 224

[5] X. F. Xu, Y. J. Feng, L. Zhao, T. Jiang, C. H. Lu, and Z. Z. Xu, J. Phys D, 2008, 41: 215504

[6] Y. Luo, J. J. Zhang, H. S. Chen, and B. I. Wu, J. Phys. D, 2008, 41: 235101

[7] W. X. Jiang, T. J. Cui, G. X. Yu, X. Q. Lin, Q. Cheng, and J. Y. Chin, J. Phys. D, 2008, 41: 085504

[8] Q. Wu, K. Zhang, F. Y. Meng, and L. W. Li, J. Phys. D, 2009, 42: 035408

[9] D. Bao, E. Kallos, W. X. Tang, C. Argyropoulos, Y. Hao, and T. J. Cui, Front. Phys. China, 2009, 5(3): 319

[10] Y. Lai, J. Ng, H. Y. Chen, Z. Q. Zhang, and C. T. Chan, Front. Phys. China, 2010, 5(3): 308

[11] T. Yang, H. Chen, X. Luo, and H. Ma, Opt. Express, 2008, 16(22): 18545

[12] X. Luo, T. Yang, Y. Gu, and H. Ma, arXiv:0809.1823v1, 2008

[13] http://www.nature.com/news/2008/080919/full/news. 2008. 1113.html

[14] H. Chen, X. Zhang, X. Luo, H. Ma, and C. T. Chan, New J. Phys., 2008, 10(11): 113016

[15] Z. Liu, X. Zhang, Y. Mao, Y. Y. Zhu, Z. Yang, C. T. Chan, and P. Sheng, Science, 2000, 289(5485): 1734

[16] J. Mei, Z. Liu, W. Wen, and P. Sheng, Phys. Rev. B, 2007, 76(13): 134205

[17] Z. Liu, C. T. Chan, and P. Sheng, Phys. Rev. B, 2005, 71(1): 014103

[18] K. M. Ho, C. K. Cheng, Z. Yang, X. X. Zhang, and P. Sheng, Appl. Phys. Lett., 2003, 83(26): 5566

[19] Z. Liu, C. T. Chan, P. Sheng, A. Goertzen, and J. Page, Phys. Rev. B, 2000, 62(4): 2446

[20] J. Mei, Z. Liu, W. Wen, and P. Sheng, Phys. Rev. Lett., 2006, 96(2): 024301

[21] Z. Yang, J. Mei, M. Yang, N. H. Chan, and P. Sheng, Phys. Rev. Lett., 2008, 101(20): 204301

[22] H. Chen and C. T. Chan, Appl. Phys. Lett., 2007, 91(18): 183518

[23] S. A. Cummer and D. Schurig, New J. Phys., 2007, 9(3): 45

[24] N. Fang, D. Xi, J. Xu, M. Ambati, W. Srituravanich, C. Sun, and X. Zhang, Nat. Mater., 2006, 5(6): 452

[25] S. H. Lee, C. M. Park, Y. M. Seo, Z. G. Wang, and C. K. Kim, J. Phys.: Condens. Matter, 2009, 21(17): 175704

[26] B. Liu and J. P. Huang, Commun. Theor. Phys., 2010, 53: 560

[27] Q. Su, B. Liu, and J. P. Huang, Front. Phys., 2011, 6(1): 65

[28] J. Li and C. T. Chan, Phys. Rev. E, 2004, 70(5 Pt 2): 055602

[29] D. Schurig, J. B. Pendry, and D. R. Smith, Opt. Express, 2006, 14(21): 9794

[30] C. Z. Fan, Y. Gao, and J. P. Huang, Appl. Phys. Lett., 2008, 92(25): 251907

RIGHTS & PERMISSIONS

2014 Higher Education Press and Springer-Verlag Berlin Heidelberg