Acoustic Metamaterials: Negative Refraction, Imaging, by Richard V. Craster, Sébastien Guenneau

By Richard V. Craster, Sébastien Guenneau

About the booklet: This booklet is the 1st finished evaluation on acoustic metamaterials; novel fabrics which could control sound waves in staggering methods, which come with collimation, focusing, cloaking, sonic screening and outstanding transmission. It covers either experimental and theoretical points of acoustic and elastic waves propagating in dependent composites, with a spotlight on powerful homes linked to destructive refraction, lensing and cloaking. such a lot comparable books within the box handle electromagnetic metamaterials and concentrate on numerical tools, and little (or no) experimental part. every one bankruptcy might be authored through an said specialist, among the subjects coated can be experimental effects on non-destructive imaging, cloaking by means of floor water waves, flexural waves in skinny plates. functions in scientific ultrasound imaging and modeling of metamaterials should be emphasised too. The booklet can function a reference for researchers who desire to construct an outstanding origin of wave propagation during this classification of novel materials.

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Mech. Phys. Solids 58, 1212–1224 (2010) 1 Fundamentals of Acoustic Metamaterials 41 6. : Finite checkerboards of dissipative negative refractive index. Opt. Express 14, 12950 (2006) 7. : Non-local homogenised limits for composite media with highly anisotropic periodic fibres. Proc. R. Soc. Edinb. A 136, 87–114 (2006) 8. : High frequency homogenization for checkerboard structures: Defect modes, ultra-refraction and all-angle-negative refraction. J. Opt. Soc. Amer. A 28, 1032–1041 (2011) 9. : Bloch dispersion and high frequency homogenization for separable doubly-periodic structures.

1 Fundamentals of Acoustic Metamaterials 31 Fig. 1 inside each inclusion and μe = 1 in the matrix. Note that there are no stop bands for the first 15 dispersion curves. However, some upper curves are nearly flat (dispersionless). The acoustic band is non-monotonic and the optical band has a small, but positive, group velocity for vanishing wavenumbers Fig. 01 inside each inclusion and μe = 1 in the matrix. 49 associated with a Mie resonance (the acoustic and optical bands are dispersionless for wavenumbers outside the range [−1, 1] and the optical band has a negative group velocity for wavenumbers in the range [−1, 1]).

J. Mech. Phys. Solids 58, 1212–1224 (2010) 1 Fundamentals of Acoustic Metamaterials 41 6. : Finite checkerboards of dissipative negative refractive index. Opt. Express 14, 12950 (2006) 7. : Non-local homogenised limits for composite media with highly anisotropic periodic fibres. Proc. R. Soc. Edinb. A 136, 87–114 (2006) 8. : High frequency homogenization for checkerboard structures: Defect modes, ultra-refraction and all-angle-negative refraction. J. Opt. Soc. Amer. A 28, 1032–1041 (2011) 9. : Bloch dispersion and high frequency homogenization for separable doubly-periodic structures.

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