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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 2 — Jan. 16, 2012
  • pp: 1247–1252

Fast near field calculations in the discrete dipole approximation for regular rectilinear grids

P. J. Flatau and B. T. Draine  »View Author Affiliations

Optics Express, Vol. 20, Issue 2, pp. 1247-1252 (2012)

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A near-field calculation of light electric field intensity inside and in the vicinity of a scattering particle is discussed in the discrete dipole approximation. A fast algorithm is presented for gridded data. This algorithm is based on one matrix times vector multiplication performed with the three dimensional fast Fourier transform. It is shown that for moderate and large light scattering near field calculations the computer time required is reduced in comparison to some of the other methods.

© 2011 OSA

OCIS Codes
(290.0290) Scattering : Scattering
(290.5850) Scattering : Scattering, particles

ToC Category:

Original Manuscript: October 27, 2011
Manuscript Accepted: November 2, 2011
Published: January 5, 2012

P. J. Flatau and B. T. Draine, "Fast near field calculations in the discrete dipole approximation for regular rectilinear grids," Opt. Express 20, 1247-1252 (2012)

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