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|Title:||Radiation forces in the discrete-dipole approximation||Authors:||Hoekstra, Alfons G.
Waters, L. B. F. M.
Sloot, Peter M. A.
|Keywords:||DRNTU::Engineering::Computer science and engineering||Issue Date:||2001||Source:||Hoekstra, A. G., Frijlink, M., Waters, L. B. F. M., & Sloot, P. M. A. (2001). Radiation forces in the discrete-dipole approximation. Journal of the Optical Society of America A, 18(8), 1944-1953.||Series/Report no.:||Journal of the optical society of America A||Abstract:||The theory of the discrete-dipole approximation (DDA) for light scattering is extended to allow for the calculation of radiation forces on each dipole in the DDA model. Starting with the theory of Draine and Weingartner [Astrophys. J. 470, 551 (1996)] we derive an expression for the radiation force on each dipole. These expressions are reformulated into discrete convolutions, allowing for an efficient, O(N log N) evaluation of the forces. The total radiation pressure on the particle is obtained by summation of the individual forces. The theory is tested on spherical particles. The resulting accumulated radiation forces are compared with Mie theory. The accuracy is within the order of a few percent, i.e., comparable with that obtained for extinction cross sections calculated with the DDA.||URI:||https://hdl.handle.net/10356/84472
|ISSN:||0740-3232||DOI:||10.1364/JOSAA.18.001944||Rights:||© 2001 Optical Society of America. This paper was published in Journal of the Optical Society of America A and is made available as an electronic reprint (preprint) with permission of Optical Society of America. The paper can be found at the following official DOI: [http://dx.doi.org/10.1364/JOSAA.18.001944]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.||Fulltext Permission:||open||Fulltext Availability:||With Fulltext|
|Appears in Collections:||SCSE Journal Articles|
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