Application of fast-Fourier-transform techniques to the discrete-dipole approximation

We show how fast-Fourier-transform methods can be used to accelerate computations of scattering and absorption by particles of arbitrary shape using the discrete-dipole approximation.

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Bibliographic Details
Published in:Optics letters 1991-08, Vol.16 (15), p.1198-1200
Main Authors: Goodman, J J, Draine, B T, Flatau, P J
Format: Article
Language:English
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Description
Summary:We show how fast-Fourier-transform methods can be used to accelerate computations of scattering and absorption by particles of arbitrary shape using the discrete-dipole approximation.
ISSN:0146-9592
1539-4794
DOI:10.1364/ol.16.001198