Light scattering in converging beams.
Light scattering by spherical particles in a converging beam is obtained from the earlier solution for a particle in the beam of a dipole light source by reversing the direction of energy flow so that the dipole source becomes a sink. The results are not drastically different from Lorenz-Mie scattering as long as the sink is located at a distance greater than several particle radii from the focus.
Chew
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Clarkson College of Technology, Potsdam, New York 13676, USA.
Kerker
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Cooke
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