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The integrated extinction for broadband scattering of acoustic waves

Sohl, Christian LU ; Gustafsson, Mats LU and Kristensson, Gerhard LU (2007) In Journal of the Acoustical Society of America 122(6). p.3206-3210
Abstract
In this paper, physical bounds on scattering of acoustic waves over a frequency interval are discussed based on the holomorphic properties of the scattering amplitude in the forward direction. The result is given by a dispersion relation for the extinction cross section which yields an upper bound on the product of the extinction cross section and the associated bandwidth of any frequency interval. The upper bound is shown to depend only on the geometry and the material properties of the scatterer in the static or low-frequency limit. The results are exemplified by permeable and impermeable scatterers with homogeneous and isotropic material properties.
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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Journal of the Acoustical Society of America
volume
122
issue
6
pages
3206 - 3210
publisher
American Institute of Physics
external identifiers
  • PMID:18247732
  • WOS:000251650700006
  • Scopus:38849111383
ISSN
1520-8524
DOI
10.1121/1.2801546
language
English
LU publication?
yes
id
8530b2c8-2316-4fa2-8f3e-924b8363b962 (old id 758519)
date added to LUP
2007-12-17 10:42:27
date last changed
2017-01-01 07:50:55
@article{8530b2c8-2316-4fa2-8f3e-924b8363b962,
  abstract     = {In this paper, physical bounds on scattering of acoustic waves over a frequency interval are discussed based on the holomorphic properties of the scattering amplitude in the forward direction. The result is given by a dispersion relation for the extinction cross section which yields an upper bound on the product of the extinction cross section and the associated bandwidth of any frequency interval. The upper bound is shown to depend only on the geometry and the material properties of the scatterer in the static or low-frequency limit. The results are exemplified by permeable and impermeable scatterers with homogeneous and isotropic material properties.},
  author       = {Sohl, Christian and Gustafsson, Mats and Kristensson, Gerhard},
  issn         = {1520-8524},
  language     = {eng},
  number       = {6},
  pages        = {3206--3210},
  publisher    = {American Institute of Physics},
  series       = {Journal of the Acoustical Society of America},
  title        = {The integrated extinction for broadband scattering of acoustic waves},
  url          = {http://dx.doi.org/10.1121/1.2801546},
  volume       = {122},
  year         = {2007},
}