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Scattering reduction for an acoustic sensor using a multilayered shell comprising a pair of homogeneous isotropic single-negative media
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10.1063/1.4737873
/content/aip/journal/apl/101/3/10.1063/1.4737873
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/3/10.1063/1.4737873
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Sketch of the space mapping. (a) The virtual space consists of the bulk of the background medium. (b) The real space corresponding to the virtual space in (a) after the coaxial mapping, where and . (c) The virtual space when the transformation index is set to zero. The annular area B has vanished.

Image of FIG. 2.
FIG. 2.

Normalized acoustic pressure fields for the waves incident from plane sources [(a) and (c)] and from a line source placed 7.5 wavelengths left of the center of the sensor system [(b) and (d)]. The scatterer is unprotected in (a) and (b), and protected by the 5-bilayer shell in (c) and (d).

Image of FIG. 3.
FIG. 3.

Scattering form factors for a plane wave incident from the left side for 5 different cases: the bare sensor system, and the same sensor system protected by shells with 5, 10, 20, and 40 bilayers.

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/content/aip/journal/apl/101/3/10.1063/1.4737873
2012-07-19
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Scattering reduction for an acoustic sensor using a multilayered shell comprising a pair of homogeneous isotropic single-negative media
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/3/10.1063/1.4737873
10.1063/1.4737873
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