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

J. J. Goodman, B. T. Draine, and P. J. Flatau

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Abstract

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.

© 1991 Optical Society of America

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