Quasi-two-dimensional acoustic metamaterials

D. Torrent; R. Graciá-Salgado; V. M. García-Chocano; F. Cervera; J. Sánchez-Dehesa

doi:10.1117/12.2047896

19 February 2014 Quasi-two-dimensional acoustic metamaterials

D. Torrent, R. Graciá-Salgado, V. M. García-Chocano, F. Cervera, J. Sánchez-Dehesa

Proceedings Volume 8994, Photonic and Phononic Properties of Engineered Nanostructures IV; 89940F (2014) https://doi.org/10.1117/12.2047896
Event: SPIE OPTO, 2014, San Francisco, California, United States

Abstract

We report the design of quasi-two-dimensional artificial structures that acoustically behave as positive, single negative, double negative or density-near-zero metamaterials. The scattering units consist of a cavity drilled in one surface of a 2D waveguide and they have an inner structure whose geometrical parameters can be selected in order to obtain the desired dynamical behavior. Finally, we report the practical realization of two samples as well as their experimental characterization showing metamaterial features.

Citation Download Citation

D. Torrent, R. Graciá-Salgado, V. M. García-Chocano, F. Cervera, and J. Sánchez-Dehesa "Quasi-two-dimensional acoustic metamaterials", Proc. SPIE 8994, Photonic and Phononic Properties of Engineered Nanostructures IV, 89940F (19 February 2014); https://doi.org/10.1117/12.2047896

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