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Discrete-Dipole Approximation For Scattering Calculations

Draine, Bruce T., Flatau, Piotr J.·1994·Journal of the Optical Society of America A

Abstract

The discrete-dipole approximation (DDA) for scattering calculations, including the relationship between the DDA and other methods, is reviewed. Computational considerations, i.e., the use of complex-conjugate gradient algorithms and fast-Fourier-transform methods, are discussed. We test the accuracy of the DDA by using the DDA to compute scattering and absorption by isolated, homogeneous spheres as well as by targets consisting of two contiguous spheres. It is shown that, for dielectric materials (|m| ≲ 2), the DDA permits calculations of scattering and absorption that are accurate to within a few percent.

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Metadata

Authors
Draine, B. T., & Flatau, P. J.
Venue
Journal of the Optical Society of America A
Published
1994-04-01
Volume
11
Issue
4
Pages
1491
ISSN
  • 1084-7529 (ISSN-L)
  • 1520-8532
OpenAlex
W2162246342
Cited by
3,614
References
0
FWCI
12.94
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Discrete-Dipole Approximation For Scattering Calculations. https://app.cochat.ai/papers/10.1364/josaa.11.001491
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Draine, B. T., & Flatau, P. J. (1994). Discrete-Dipole Approximation For Scattering Calculations. Journal of the Optical Society of America A. https://doi.org/10.1364/josaa.11.001491

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