Topics in Particle and Dispersion Science

Scattering by a coated sphere

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A theory of light scattering by a coated sphere was developed in the early 1950's (Aden and Kerker 1951) and later summarized in several monographs on electromagnetic and light scattering (for example, Bohren CF and Huffman 1983, Kerker M 1969). Algorithms for calculating light scattering by a coated sphere can be found, for example, in Bohren CF and Huffman 1983 (pp. 181-183) and Toon OB and Ackerman 1981.

Bohren CF and Huffman 1983 list a computer program for such calculations (their pp. 483-489). However, that algorithm has been found to have a limited range of applications, due to numerical instabilities at the large relative size of the coated sphere (for example, Kaiser T and Schweiger 1993). Toon OB and Ackerman 1981 suggested a more efficient and numerically stable algorithm. Additional improvements were recently made by Liu Lei et al 2007 (see also Scattering by a coated sphere: An improved algorithm).

The above algorithms tackle the problem of light scattering by a coated sphere in a medium that does not absorb light. Sun W et al 2004 have recently extended the application area of such algorithms to light absorbing media.

See also Scattering by a multilayered sphere.

CITATION: Jonasz M., Shen J. 2009. Scattering by a coated sphere: Introduction (www.tpdsci.com/Tpc/ScaCtSph.php). In: Top. Part. Disp. Sci. (www.tpdsci.com).

HISTORY: Published: 15-Apr-2009 Modified: 07-Apr-2009 Peer-reviewed: PENDING

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